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Captive portal detection 861,932
Review Needed
Secure connection and security warning error pages in Firefox 685,443
Updated
Update Firefox to the latest release 386,844
Review Needed
Make Firefox your default browser on Windows 374,334
Updated
Common Myths about Private Browsing 259,336
Updated
Fix error “Website will not allow Firefox to display the page.” 213,048
Updated
Insecure connection password warning in Firefox 209,707
Updated
Thunderbird and Junk / Spam Messages 208,941
Updated
Change Firefox options, preferences and settings 117,447
Updated
Firefox support for Windows 7, 8, and 8.1 91,671
Updated
Manage local site storage settings 90,845
Updated
Troubleshoot time-related errors on secure websites 87,549
Updated
About private browsing in Firefox for iOS 84,908
Updated
About Add-on Badges 80,810
Updated
Fix "The bookmarks and history system will not be functional" error message 66,314
Updated
Troubleshoot security error codes on secure websites 66,134
Updated
Customize Firefox controls, buttons and toolbars 56,114
Updated
Enhanced Tracking Protection in Firefox for desktop 56,003
Review Needed
About permission request messages for Firefox extensions 54,902
Updated
Cookies - Information that websites store on your computer 53,303
Updated
What Windows 10 end of support means for Firefox users 50,237
Review Needed
Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release 46,620
Updated
Firefox translation for Android 45,115
Updated
Sponsors on the home page and New Tab page 44,405
Updated
Install Firefox on Linux 44,304
Updated
Access AI chatbots in Firefox 43,638
Updated
View site information with Page Info 43,229
Updated
Firefox's performance settings 39,620
Updated
Windows 10 warns me to use a "Microsoft-verified" app 38,394
Updated
Clear cookies and site data in Firefox 36,067
Updated
Customize Firefox Suggest settings 34,627
Updated
Back up and transfer your Firefox data to a new device 31,192
Updated
How to install Firefox on Windows 30,063
Updated
Profile Manager - Create, remove or switch Firefox profiles 29,950
Updated
Import data from another browser 29,049
Updated
Manage Firefox profiles 27,701
Updated
How to clear the Firefox cache 27,082
Updated
View and edit PDF files using Firefox’s built-in viewer 26,962
Updated
Watch DRM content on Firefox 26,734
Updated
Tab groups in Firefox 26,208
Updated
Recover lost or missing Bookmarks 24,918
Updated
Web Push notifications in Firefox 24,900
Updated
Firefox Translation 24,862
Updated
Firefox security features warning on Linux 24,190
Review Needed
Filelink for Large Attachments 23,647
Updated
Password Manager - Remember, delete and edit logins and passwords in Firefox 23,404
Updated
Profiles - Where Firefox stores your bookmarks, passwords and other user data 22,340
Updated
Pocket has shut down - What you need to know 21,546
Review Needed
Extensions in Private Browsing 21,499
Updated
Private Browsing on Firefox for Android 21,160
Updated
Manage my default search engines in Firefox for Android 20,525
Updated
Refresh Firefox - reset add-ons and settings 20,503
Updated
How to set the home page 20,358
Review Needed
Customize items on your Firefox New Tab page 19,830
Review Needed
How to enable Windows SSO login in Firefox 19,554
Updated
Does Firefox share my location with websites? 18,913
Updated
Back up and restore information in Firefox profiles 18,412
Review Needed
Disable or remove Add-ons 18,117
Updated
Manage marketing data settings in Firefox for Android 17,988
Updated
Private Browsing - Use Firefox without saving history 17,693
Updated
Configuration Editor for Firefox 16,684
Updated
How to manage your camera and microphone permissions with Firefox 16,018
Updated
Pop-up blocker settings, exceptions and troubleshooting 15,477
Updated
Third-party trackers 15,436
Updated
Keyboard shortcuts - Perform common Firefox tasks quickly 14,549
Updated
Enhanced Tracking Protection in Firefox for Android 14,538
Updated
Manage the devices linked to your Mozilla account 14,224
Updated
Avoid and report Mozilla tech support scams 14,132
Updated
Use Troubleshoot Mode in Firefox 14,127
Updated
Connection settings in Firefox 13,815
Updated
Add-on signing in Firefox 13,740
Updated
Search the web via images in Firefox with Google Lens 13,704
Updated
How do I set up Sync on my computer? 13,464
Updated
How to download and install Firefox on Mac 13,423
Updated
End of support for Mozilla Hubs 13,327
Updated
Configure DNS over HTTPS protection levels in Firefox 13,292
Updated
Install an older version of Firefox 13,244
Updated
Allow or block media autoplay in Firefox 13,144
Updated
Restore bookmarks, passwords, and data from an old Firefox profile 13,019
Updated
Find what version of Firefox you are using 12,668
Updated
How to set up Firefox Sync in Firefox for Android 12,300
Updated
Manage Firefox data collection and privacy settings 12,115
Updated
Firefox Reader View for clutter-free web pages 11,443
Updated
Run Firefox on ChromeOS 11,330
Updated
Secure your Mozilla account with Two-Step Authentication 10,928
Updated
Manage technical and interaction data collection settings in Firefox 10,592
Updated
Fix Firefox using too much memory or CPU resources 10,421
Updated
Firefox Terms of Use FAQ 10,277
Updated
Delete browsing, search and download history on Firefox 10,238
Updated
Make Firefox your default browser 10,046
Updated
Quick actions in the Firefox search bar 9,298
Updated
Firefox Password Manager - Alerts for breached websites 9,247
Updated
Multi-Account Containers 9,124
Updated
Manage daily usage ping data collection settings in Firefox 8,794
Updated
Global Privacy Control 8,277
Updated
Recommended Extensions program 8,204
Updated
HTTPS-Only Mode in Firefox 8,047
Updated
Can't add, change or save bookmarks - How to fix 7,844
Updated
Upgrade your graphics drivers to use hardware acceleration and WebGL 7,839
Updated
How does built-in Phishing and Malware Protection work? 7,833
Updated
I'm having problems with my Mozilla account 7,643
Updated
Find and install add-ons to add features to Firefox 7,541
Updated
Set up two-factor authentication on your Mozilla account 7,359
Updated
Introducing Total Cookie Protection in Standard Mode 7,318
Updated
Move Thunderbird data to a new computer 7,213
Review Needed
Access Mozilla services with a Mozilla account 7,050
Updated
Restore bookmarks from backup or move them to another computer 7,045
Updated
Reset your Mozilla account password with Recovery Keys 6,997
Review Needed
HTTPS-Only Mode in Firefox for Android 6,953
Updated
Manage optional permissions for Firefox extensions on Android 6,772
Updated
Download Firefox on Windows from the Microsoft Store 6,744
Updated
Restore previous session - Configure when Firefox shows your most recent tabs and windows 6,665
Updated
Personalized extension recommendations 6,587
Updated
Automatically fill in credit card and payment method data on Web forms 6,447
Updated
Compacting folders 6,441
Updated
Unload tabs to reduce system memory usage in Firefox 6,405
Updated
Use web apps in Firefox for Windows 6,352
Updated
Profiles - Where Thunderbird stores your messages and other user data 6,252
Review Needed
Use a Primary Password to protect stored logins and passwords 6,132
Updated
What if I'm locked out of Two-Step Authentication? 6,076
Updated
Understanding the risks of installing self-hosted extensions 5,986
Updated
Troubleshoot and diagnose Firefox problems 5,951
Updated
Search suggestions in Firefox 5,818
Updated
Manage Firefox search settings 5,812
Updated
Monitor Plus is shutting down – what you need to know 5,648
Review Needed
Thunderbird add-ons - frequently asked questions 5,627
Updated
Cannot remove an add-on (extension or theme) 5,562
Updated
Mobile - Manage Firefox data collection and privacy settings 5,482
Updated
Export Firefox bookmarks to an HTML file to back up or transfer bookmarks 5,466
Updated
JavaScript settings and preferences for interactive web pages 5,446
Updated
Recommendations from Firefox 5,416
Updated
Bookmarks in Firefox 5,329
Updated
Take screenshots in Firefox 5,316
Updated
Secure website certificate 5,313
Updated
Set Firefox as your default browser on Android 5,248
Updated
Search with the Firefox address bar 5,246
Updated
Websites say cookies are blocked - Unblock them 5,223
Updated
How to disable the Enterprise Roots preference 5,210
Updated
Use Google Trending Search in the Firefox address bar 5,113
Updated
End of support for Firefox on Amazon Devices 5,082
Updated
What is Firefox Focus for Android? 5,072
Updated
Automatically fill in your address on web forms 5,037
Updated
Third-party cookies and Firefox tracking protection 5,032
Updated
Remote Content in Messages 4,987
Updated
Recover user data missing after Firefox update 4,905
Updated
Sync Firefox data 4,863
Review Needed
Import bookmarks and other data from Google Chrome 4,814
Updated
Scan QR codes in Firefox for iOS 4,805
Updated
Turn picture-in-picture mode controls on and off 4,803
Updated
Deploy Firefox with MSI installers 4,688
Updated
Manage Firefox updates 4,665
Updated
Use the sidebar to access tools and vertical tabs 4,513
Updated
Use Firefox in another language 4,486
Updated
Uninstall Firefox from your computer 4,455
Updated
Firefox can't load websites but other browsers can 4,409
Updated
Why are some add-ons not allowed on sites restricted by Mozilla? 4,382
Updated
New Tab page in Firefox 4,334
Review Needed
Install Thunderbird on Windows 4,270
Updated
Change the primary email address on your Mozilla account 4,263
Updated
Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window 4,185
Updated
Manual Account Configuration 4,177
Review Needed
Choose a Firefox update channel 4,158
Updated
Restore the Menu bar in Firefox 4,003
Updated
Install Thunderbird on Linux 3,849
Updated
Import settings and data into Thunderbird 3,800
Updated
Add Firefox Relay to the Firefox password manager 3,759
Updated
Use Firefox to summarize webpages 3,729
Updated
Thunderbird and Gmail 3,715
Updated
Switch from Chrome to Firefox 3,685
Updated
My sign in was blocked for security reasons on Mozilla account 3,663
Updated
Get started with Firefox - An overview of the main features 3,628
Updated
Sync bookmarks, tabs, history, and passwords on Android 3,611
Updated
Export your Thunderbird Profile 3,485
Updated
Troubleshoot Firefox crashes (closing or quitting unexpectedly) 3,465
Updated
Task Manager - see whether tabs or extensions are slowing down Firefox 3,392
Updated
Firefox hangs or is not responding - How to fix 3,303
Updated
Customize Firefox using Group Policy (Windows) 3,299
Updated
Keyboard shortcuts - perform common Thunderbird tasks quickly 3,223
Review Needed
How do I restore my tabs from last time? 3,222
Updated
Recommended stories on the Firefox New Tab page - FAQ 3,190
Updated
Create a desktop shortcut to a website 3,146
Updated
How do I turn on the Do Not Track feature? 3,133
Updated
Mozilla account - Managing account data 3,123
Review Needed
How to use Firefox containers 3,084
Updated
Add or remove a search engine in Firefox 3,079
Updated
Update Thunderbird to the latest version 3,061
Review Needed
How to restore a browsing session from backup 3,048
Updated
Firefox's protection against fingerprinting 3,033
Updated
How do I report a broken site in Firefox desktop? 3,030
Updated
Firefox DNS over HTTPS 2,999
Updated
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems 2,984
Updated
Add alt text to images in your PDFs using Firefox 2,980
Updated
Thunderbird and Exchange 2,966
Updated
Manage file types and download actions in Firefox 2,932
Updated
Custom installation of Firefox on Windows 2,921
Updated
Crash reports in Firefox for Android 2,859
Updated
Use the Troubleshooting Information page to help fix Firefox issues 2,814
Updated
Send plugin crash reports to help Mozilla improve Firefox 2,803
Updated
Firefox connection upgrades - HTTP to HTTPS 2,797
Updated
Mixed content blocking in Firefox 2,781
Updated
Open Firefox automatically when you start your computer 2,780
Updated
Where to find and manage downloaded files in Firefox 2,772
Updated
About Picture-in-Picture in Firefox 2,764
Updated
Choose your preferred PDF viewer in Firefox 2,715
Updated
Accessibility features in Firefox - Make Firefox and web content work for all users 2,674
Updated
Permission request messages for Thunderbird extensions 2,659
Updated
Export login data from Firefox 2,629
Updated
Fix common audio and video issues 2,626
Updated
Update to the latest version of Firefox for Android 2,620
Updated
Enable background updates on Firefox for Windows when Firefox is not running 2,601
Updated
How do I choose what information to sync on Firefox? 2,552
Updated
Manage extension shortcuts in Firefox 2,544
Updated
Setup your email account for using End-To-End Encryption 2,530
Updated
Control whether Firefox automatically fills in forms 2,513
Updated
Unload inactive tabs to save system memory in Firefox 2,395
Updated
What to do if Firefox won't play any sounds 2,346
Updated
Websites don't load - troubleshoot and fix error messages 2,342
Updated
Troubleshoot Firefox issues caused by malware 2,332
Updated
Will Firefox work on my mobile device? 2,318
Updated
Set up Certificate Authorities (CAs) in Firefox 2,290
Updated
Automatically trust third-party root certificates 2,227
Updated
Address bar autocomplete suggestions in Firefox 2,225
Updated
Site Permissions panel 2,223
Updated
Block websites from storing cookies and site data in Firefox 2,199
Updated
Control audio or video playback with your keyboard 2,198
Updated
Import settings and data into Thunderbird for Android 2,153
Review Needed
Remove websites from the address bar suggestions 2,123
Updated
Configure DNS over HTTPS protection levels in Firefox for Android 2,088
Updated
Using Thunderbird with Google Calendar 2,055
Updated
Fix problems that cause images to not show 2,035
Updated
Use the Firefox Sidebar to access bookmarks, history, passwords and synced tabs 2,013
Review Needed
Enhanced Tracking Protection in Firefox for iOS 2,007
Updated
Quick fixes if your Firefox slows down 1,996
Updated
Microsoft OAuth Authentication and Thunderbird in 2024 1,991
Updated
Warning Unresponsive script - What it means and how to fix it 1,991
Updated
Use themes to change the look of Firefox 1,978
Updated
Password Manager - Remember, delete and change passwords in Thunderbird 1,968
Updated
Choose a strong password 1,967
Updated
Generate a secure password in Firefox 1,957
Updated
Profile Manager - Create and remove Thunderbird profiles 1,957
Review Needed
How to reset your password without Account Recovery Keys and regain access to your data 1,956
Updated
Use Firefox in Full Screen mode 1,946
Updated
Automatic Account Configuration 1,935
Updated
What is Firefox Focus for iOS? 1,928
Updated
Tab preferences and settings 1,910
Updated
Manage Firefox with Microsoft Endpoint Manager (Intune) 1,885
Updated
Blocking a sender 1,878
Updated
Configure push email for Thunderbird for Android 1,874
Updated
Customize Firefox using policies.json 1,874
Review Needed
Firefox has ended support for Windows XP and Vista 1,874
Updated
Font size and zoom - increase the size of web pages 1,840
Updated
Find and install extensions on Firefox for Android 1,839
Updated
Firefox won't start - find solutions 1,839
Updated
Signatures 1,833
Updated
Legacy browser support extension for Windows 1,823
Review Needed
Organize your messages with filters 1,820
Updated
Manage your logins with the Firefox Password Manager 1,816
Updated
Change the fonts and colors websites use 1,784
Updated
Manage your extensions using the extensions button in the toolbar 1,771
Updated
Unable to use profile when you launch an older version of Thunderbird 1,766
Review Needed
Import login and password data from a file 1,763
Updated
Sync bookmarks, logins and browsing history on Firefox for iOS 1,740
Updated
Add the Search bar to your Firefox toolbar 1,735
Updated
Setting Firefox as the default browser does not work - What to do 1,700
Updated
How do I delete my Mozilla account? 1,691
Updated
How to run Firefox when your profile is missing or inaccessible 1,686
Updated
Change website appearance settings in Firefox 1,685
Updated
Block and unblock websites with parental controls on Firefox 1,674
Updated
Getting Started with the Thunderbird main window (Supernova and newer) 1,662
Updated
Ignoring threads 1,653
Updated
Mozilla account on support.mozilla.org 1,649
Updated
How to install Mozilla VPN on a Linux computer 1,640
Review Needed
Introduction to End-to-end encryption in Thunderbird 1,636
Updated
SmartBlock for Enhanced Tracking Protection 1,589
Updated
Import Bookmarks from an HTML file 1,565
Updated
Audio and video files in Firefox 1,546
Updated
How to change or reset your Mozilla account password 1,539
Updated
What to do if you can't download or save files 1,524
Updated
"Firefox is already running but is not responding" error - How to fix 1,517
Updated
Use tabs to organize lots of websites in a single window 1,494
Updated
View synced tabs from other devices 1,481
Updated
Firefox ESR release cycle 1,475
Updated
Trackers and scripts Firefox blocks in Enhanced Tracking Protection 1,473
Updated
Troubleshoot Firefox updates and the Helper tool 1,453
Updated
Browsing history in Firefox - View the websites you have visited 1,442
Updated
Instructions for obtaining a personal S/MIME certificate by creating a CSR 1,435
Updated
How the Firefox desktop launcher works 1,433
Updated
How to use AI-enhanced tab groups 1,424
Updated
Install Firefox on your phone or tablet 1,423
Review Needed
An extension changed my New Tab page or home page 1,418
Updated
Thunderbird and Yahoo 1,418
Updated
What's new in Firefox for Android 1,418
Updated
How to change the Thunderbird layout 1,394
Updated
Share browser windows or your screen with sites you trust 1,340
Updated
Troubleshoot Mode Thunderbird 1,337
Updated
Add-ons in Firefox for iOS 1,335
Updated
Reset Firefox preferences to troubleshoot and fix problems 1,331
Updated
How do I tell if my connection to a website is secure? 1,301
Updated
Choose display languages for multilingual web pages 1,299
Updated
Customize the Firefox home screen 1,283
Updated
Protect privacy while using Web Authentication 1,280
Updated
Fix printing problems in Firefox 1,272
Updated
Dedicated profiles per Firefox installation 1,255
Updated
Customize Firefox using AutoConfig 1,227
Updated
How to save a web page 1,227
Updated
Websites look wrong or appear differently than they should 1,224
Updated
Gmail and Thunderbird for Android 1,208
Updated
Why is there an OpenH264 plugin in Firefox? 1,200
Updated
Site Information panel 1,194
Updated
What do the security warning codes mean? 1,187
Updated
Installing an Add-on in Thunderbird 1,186
Updated
Send Tab from Firefox desktop to other devices 1,181
Updated
How do I use the Firefox spell checker? 1,169
Updated
Use Firefox VPN in Firefox 1,162
Updated
OpenPGP in Thunderbird - HOWTO and FAQ 1,161
Updated
Compact mode workaround in Firefox 1,153
Updated
Cannot send messages 1,138
Review Needed
Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings 1,127
Updated
Mozilla Monitor - Frequently asked questions 1,106
Updated
Changes to toolbars and window sizes are not saved 1,104
Updated
I've lost my Firefox Sync account information - What to do 1,101
Updated
Thunderbird Release 1,079
Updated
Customize Date and Time formats in Thunderbird 1,067
Review Needed
Firefox for Enterprise Kiosk mode 1,067
Updated
Message threading in Thunderbird - keep messages grouped by conversation 1,066
Updated
Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work? 1,059
Updated
Resist Fingerprinting 1,054
Updated
Control personal device and local network permissions in Firefox 1,033
Updated
How to reset the default user agent on Firefox 1,023
Updated
Archived Messages 1,014
Updated
Firefox View - Access pages from open tabs, recently closed tabs, tabs from other devices and browsing history 1,006
Updated
Use gestures in Firefox for Android 1,005
Updated
Usernames and passwords are not saved 1,003
Updated
Crash reports in Firefox for iOS 979
Updated
Secure Firefox passwords with device sign-in 971
Updated
Manage saved passwords in Firefox for iOS 966
Updated
Firefox has ended support for 32-bit Linux 956
Updated
Thunderbird ESR 956
Updated
Unable to install add-ons (extensions or themes) 945
Updated
How to silently install/uninstall Firefox for Enterprise 944
Updated
Configure firewalls so that Firefox can access the Internet 929
Updated
How to stop Firefox from making automatic connections 923
Updated
Use multiple profiles in Thunderbird 920
Review Needed
Allow Mozilla VPN to run in the background on macOS 913
Updated
Rebuilding the Global Database 909
Review Needed
Manage Enhanced Tracking Protection exceptions 908
Updated
Clear browsing history in Firefox for iOS 907
Updated
On-device AI models in Firefox 905
Updated
Install themes to change the look of Thunderbird 888
Updated
Disable Firefox Sync 885
Updated
Collections in Firefox 880
Updated
Install Thunderbird on Mac 878
Review Needed
Pinned Tabs - keep favorite websites open and just a click away 874
Updated
Manage tabs in Firefox for Android 871
Updated
I'm having problems confirming my Mozilla account 862
Updated
Reset your Primary Password if you've forgotten it 860
Updated
Install Firefox on your iPad, iPhone or iPod 846
Updated
What is the Mozilla Maintenance Service? 845
Updated
Search open tabs in Firefox 844
Updated
How to update add-ons 842
Updated
End of support for Firefox Private Network 834
Updated
Firefox keeps crashing at startup 833
Updated
Protect your Thunderbird passwords with a Primary Password 827
Updated
Customize Firefox Home on iOS 820
Updated
Server Not Found - Troubleshoot connection problems 804
Updated
Where are my logins stored? 804
Updated
I found a fake Firefox update 795
Updated
Get started with the Mozilla VPN extension 789
Updated
DNS over HTTPS (DoH) FAQs 788
Updated
Fix login issues on websites that require a username and password 785
Updated
Add a website shortcut to your home screen on Android 784
Updated
Autofill logins on Firefox 777
Updated
How to opt out of studies on Firefox for Android 770
Updated
Scan QR codes in Firefox for Android 766
Updated
Cannot receive messages 765
Updated
Manage marketing data settings in Firefox for Desktop 754
Updated
Deploy Firefox on macOS using PKG and Jamf 753
Updated
Set up a passcode and Face ID in Firefox for iOS 748
Updated
Clear recent searches from the Search bar 742
Updated
Fix problems connecting to websites after updating Firefox 741
Updated
Get started with Thunderbird 736
Updated
How to print web pages in Firefox 735
Updated
Fix video and audio problems on Firefox for Windows N editions 727
Updated
Best practices for installing and updating Firefox 723
Updated
Protect your container tabs with Mozilla VPN 720
Updated
New Email Address 719
Updated
How to let Firefox use the internet on your Windows computer 712
Updated
Manage optional permissions for Firefox extensions 709
Updated
Firefox is stuck in Troubleshoot Mode 706
Updated
Configuration Options for Accounts 705
Updated
Get started with Firefox Lite 693
Updated
Windows in S mode won't let me install Firefox 687
Updated
Switch from POP to IMAP account 686
Updated
View articles in Reader View on Firefox for Android 685
Updated
Sign in to a Mozilla account using 3rd-party authentication 683
Updated
Clear your browsing history and other personal data on Firefox for Android 682
Updated
How to opt out of studies on Firefox for iOS 682
Updated
Firefox advanced customization and configuration options 680
Updated
Firefox Suggest for Mobile 680
Updated
Config Editor 679
Updated
About your important data and their files 674
Updated
Canary domain - use-application-dns.net 674
Updated
Add search engines in Firefox Focus for iOS 669
Updated
Where to find release notes for Firefox for Enterprise 668
Updated
Remove a synced device from your Mozilla account 656
Updated
Firefox Labs - Explore experimental features in Firefox 652
Updated
Oblivious HTTP (OHTTP) explained 648
Updated
About Studies 638
Updated
Playing videos in Firefox for Android 633
Updated
How to create and use mailing lists on Thunderbird 630
Review Needed
Activate Firefox Relay - Mask your email address 625
Review Needed
How do I delete a bookmark? 624
Updated
Install Firefox on an Android device using Google Play 622
Updated
Add custom search engines in Firefox 614
Updated
Crash reports in Firefox for Desktop 614
Updated
Switching to Thunderbird 612
Updated
How Firefox securely saves passwords 610
Updated
New in Thunderbird Desktop 607
Updated
Download and install Mozilla VPN on Windows 605
Updated
Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release 595
Review Needed
Add web page shortcuts to your Home screen 583
Updated
Import Bookmarks and other data from Microsoft Edge 582
Updated
Set Firefox for Android to open links in native apps 570
Updated
Change the program used to open email links 568
Updated
Certificate contains the same serial number as another certificate 567
Updated
Shop online with more confidence using Firefox Review Checker 560
Updated
How to perform Sync on Firefox desktop 558
Updated
Downloads in Firefox for Android 556
Updated
Send and receive messages in Thunderbird 553
Updated
Clear cookies and website data for a single domain in Firefox for Android 544
Updated
Tab overview menu 544
Updated
Tab context menu 538
Updated
Import bookmarks to Firefox for Android 534
Updated
Firefox repeatedly opens empty tabs or windows after you click on a link 532
Updated
Use bookmark folders to organize your bookmarks 527
Updated
FAQ Changing IMAP to POP 525
Review Needed
HTTPS-Only Mode in Firefox Focus for Android 518
Updated
Recommended Firefox privacy and security settings for families 516
Updated
What is Mozilla VPN and how does it work? 511
Updated
How do I change to the desktop view in Firefox for Android? 506
Updated
How do I create a screenshot of my problem? 500
Updated
Use widgets on your Firefox New Tab page 500
Updated
How to pin and unpin Firefox from the taskbar on Windows 10 and Windows 11 494
Updated
Thunderbird Telemetry 492
Updated
How to enable Always-on VPN on Android 491
Review Needed
IMAP Synchronization 491
Updated
Clear your browsing history in Firefox for Android 485
Updated
Importing Safari data into Firefox 483
Updated
Change your location for a specific website 482
Updated
The difference between IMAP and POP3 482
Updated
Use Web Apps with Firefox for Android 482
Updated
How to fix preferences that won't save 480
Updated
Add trusted websites to your allow list in Firefox Focus 479
Updated
Extension data collection 478
Updated
Update Firefox to prevent add-ons issues from root certificate expiration 477
Updated
HTTPS-First upgrades to secure connections 469
Updated
Add a search engine to Firefox Focus for Android 461
Updated
Disable password saving in Firefox 461
Updated
Frequently Asked Questions 458
Updated
Move the navigation bar to the top or bottom of the app in Firefox for Android 456
Updated
WebXR Permission Info Page 453
Updated
Firefox Translations Add-on 452
Updated
What is the winmail.dat attachment? 452
Updated
How do I know the status of my sync? 449
Updated
How to fix the Update Failed error message when updating Firefox 449
Updated
Get started with Mozilla Monitor 448
Updated
Firefox for Enterprise 145 - Release notes 446
Updated
View web pages in Reader View 444
Updated
Enforce policies on Firefox for Enterprise 442
Updated
Set a homepage in Firefox for iOS 440
Updated
How to Subscribe to News Feeds and Blogs 439
Updated
How to select a Thunderbird release channel 434
Updated
Mozilla Crash Reporter 429
Updated
Understand Encrypted Client Hello (ECH) 428
Updated
Use mouse shortcuts to perform common tasks in Firefox 426
Updated
Firefox takes a long time to start up 421
Updated
Remove a toolbar that has taken over your Firefox search or home page 416
Updated
Display the Thunderbird menus and toolbar 412
Updated
End of support for Firefox Lite 412
Updated
Global Search 410
Updated
Download Mozilla VPN on your desktop or mobile device 409
Updated
Assign shortcuts to search engines 401
Updated
Access your add-ons with a Mozilla account 400
Updated
Managing Account Data 397
Updated
How to search the contents of the current page for text or links 395
Updated
Change your default search engine in Firefox for iOS 391
Updated
Prerequisite for sending an encrypted email message 385
Updated
How to add the translate add-on to Firefox 382
Updated
Hyperlinks in messages do not work 381
Updated
Manage saved passwords in Firefox for Android 381
Updated
New email notifications in Thunderbird 381
Updated
Firefox and other browsers can't load websites 379
Updated
Upgrade your subscription 376
Updated
Change your Mozilla account password 375
Updated
Block cookie banners on Firefox 373
Updated
How to add, remove, edit and move bookmarks in Firefox for iOS 373
Updated
Configure networks to disable DNS over HTTPS 371
Updated
Thunderbird Beta 369
Updated
Uninstall Thunderbird from your computer 365
Updated
Dedicated profile per Thunderbird installation 362
Review Needed
How Thunderbird for Android avoids leaking your IP address to SMTP servers 360
Updated
How to sign in to Mozilla VPN 360
Updated
Total Cookie Protection and website breakage FAQ 357
Updated
Privacy-Preserving Attribution 355
Updated
Using Dark Theme in Firefox for Android 355
Updated
Getting started with Thunderbird for Android 353
Updated
Search suggestions in Firefox Focus for Android 350
Updated
Encrypted Client Hello (ECH) - Frequently asked questions 348
Updated
Make Thunderbird the Default Mail Client 347
Updated
Tips for assessing the safety of an extension 346
Updated
End of support for Firefox Lockwise 343
Updated
Information for EU, EEA, Swiss, California, Connecticut, Virginia and Utah users 343
Updated
Search suggestions in Firefox Focus for iOS 343
Updated
Delete sync data from Firefox by signing out of your Mozilla account 341
Updated
Mask your phone number with Relay Phone Masking 340
Updated
Preview webpages in Firefox with link preview 338
Updated
Disable Firefox Sync on a lost phone or tablet 336
Updated
How to move the address bar in Firefox for iOS 333
Updated
Maildir in Thunderbird 326
Updated
See active policies on Firefox for Enterprise 324
Updated
Quick Filter Toolbar 323
Review Needed
Which version of Firefox am I using? 323
Updated
Manage notifications in Firefox for Android 322
Updated
Facebook Container - Prevent Facebook from tracking you on other websites 316
Updated
Message Tags - Categorize your email in Thunderbird 313
Updated
Block links from opening in external apps 311
Updated
Bookmark Tags - Categorize bookmarks to make them easy to find 311
Review Needed
Thunderbird Accessibility Features 311
Updated
Why does Mozilla disable some add-ons from running in Firefox? 311
Updated
How to search IMDB, Wikipedia and more from the address bar 308
Updated
My default search engine changed after updating Firefox 307
Updated
Autocomplete web addresses in the URL bar in Firefox Focus for iOS 306
Updated
Export bookmarks to Safari 306
Updated
Where are my synced tabs in Firefox for iOS? 306
Updated
Where to go for developer support 305
Updated
Add a website shortcut to your home screen on iOS 303
Updated
Deploy Firefox with language packs 303
Updated
Deploy Firefox with extensions 302
Updated
How do I cancel my subscription to Mozilla VPN? 301
Updated
Personalize Firefox with colorways 299
Updated
Change your wallpaper in Firefox for Android 297
Updated
Save web pages as PDF in Firefox for Android 296
Updated
Is Mozilla VPN free? 295
Updated
Add or edit your Monitor information 293
Updated
Thunderbird for Android 8 FAQ 293
Updated
How do I change my DNS settings? 292
Updated
Identify problems caused by third-party modules in Firefox for Windows 291
Updated
Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix 289
Updated
How is Firefox for Enterprise different from normal Firefox? 288
Updated
How do I request a refund for Mozilla VPN? 287
Updated
Sort your bookmarks to quickly find the ones you want 287
Updated
Change your two-step authentication device for your Mozilla account 285
Updated
Reset your Mozilla account password to protect your credentials 285
Updated
Avoid getting locked out of your Mozilla account 284
Updated
Site Permission Add-ons 281
Updated
Message List Columns 279
Updated
How file downloads are handled in Firefox 275
Updated
Resolve “The installation seems to be incomplete/corrupt” error in Firefox on Windows 273
Updated
Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication 272
Updated
Digitally Signing and Encrypting Messages 272
Updated
View bookmarks on your home screen 270
Updated
Thunderbird FAQ 269
Updated
Firefox update notifications on Windows 266
Updated
Create a shortcut to a website on Firefox for Android 265
Updated
Troubleshoot Mozilla VPN connection problems 262
Updated
How do I turn on Mozilla VPN? 261
Updated
Thunderbird and Hotmail 261
Updated
Websites show a spinning wheel and never finish loading 261
Updated
Edit or delete a login with the Firefox Password Manager 260
Updated
Firefox privacy and security features 260
Updated
OpenPGP Recipient Alias Configuration 260
Updated
Is Firefox available for iPhone or iPad in my language? 258
Updated
Customize Firefox on macOS using configuration profiles 252
Updated
Access hidden tabs in Firefox 250
Updated
Playing 4K (Ultra-High Definition) YouTube videos in Firefox 250
Updated
SUMO - Managing account data 249
Updated
Sync logins in Firefox for iOS 249
Updated
Text Encoding no longer available in the Firefox menu panel 249
Updated
Are there limits to my Mozilla VPN connection? 248
Updated
Keep Private Browsing tabs open after exiting Firefox 246
Updated
How to use collections on addons.mozilla.org 245
Updated
Create new calendars 244
Updated
Find what version of Thunderbird you are using 243
Updated
How to add devices to your Mozilla VPN subscription 243
Updated
Firefox for Enterprise 144 - Release notes 240
Updated
Mute sound in Firefox tabs 235
Updated
Getting started with the Firefox for Android tablet browser 233
Updated
Add a login with the Firefox Password Manager 232
Updated
Export and share a calendar 231
Updated
Mozilla Crash Reporter TB 230
Updated
Manage bookmark folders in Firefox for Android 228
Updated
Unify your POP email accounts with a global inbox 226
Updated
How Firefox Sync keeps your data safe even if TLS fails 225
Updated
Thunderbird 78 FAQ 225
Updated
Add, delete and view bookmarked webpages in Firefox for Android 223
Updated
Re-enable add-ons that were disabled when updating Firefox 222
Updated
Using Identities 221
Updated
Firefox does not work - Common fixes to get you back up and running 219
Updated
Forget button - quickly delete your browsing history on Firefox 216
Updated
Add a Firefox widget to your Home screen 214
Updated
Add a secondary email address to Mozilla accounts 214
Updated
Thunderbird makes unrequested connections 214
Updated
Built-in themes in Firefox - alternative to complete themes 212
Updated
How to stay safe on the web 211
Updated
Open PDFs in Firefox for Android 210
Updated
Choose your opening screen for Firefox for Android 209
Updated
Add web pages to your Reading List on Firefox for iOS 208
Updated
How to disable or change the Thunderbird start page 206
Updated
Is Mozilla VPN compatible with my device? 205
Updated
Print simplified, clutter-free pages in Firefox 205
Updated
Search your browsing history and bookmarks in Firefox for Android 205
Updated
Create an email mask through Firefox Relay 204
Updated
How to configure Close Tab warnings in Firefox 203
Updated
OpenPGP in Thunderbird for Android - How To 202
Updated
Make reading easier with Firefox's contrast control settings 198
Updated
Thunderbird and OpenPGP Alias Keys 198
Updated
Review your Mozilla account activity and protect your data 196
Updated
Thunderbird Mobile Telemetry 196
Updated
In which countries is Mozilla VPN available to subscribe? 195
Updated
Changing IMAP to POP 194
Updated
Review installed extensions 191
Updated
Autocomplete settings in the Firefox Focus address bar 190
Updated
Subscribe to Firefox Relay Premium 189
Updated
Troubleshoot issues related to add-ons 188
Updated
How do I update my payment information on Mozilla VPN? 187
Updated
How it works - Firefox Weather 187
Review Needed
Notifications in Thunderbird 187
Updated
How to download and install Mozilla VPN on macOS 186
Updated
Use Multi-Account Containers with Mozilla VPN 185
Updated
Fix problems with Facebook games, chat and more 184
Updated
Adding a holiday calendar 183
Updated
Viewing Desktop Sites on Firefox iOS 179
Updated
How to Customize Toolbars 178
Updated
Cannot delete messages 177
Updated
Firefox starts automatically when I restart Windows 177
Updated
How to Use Attachments 177
Updated
Some videos won't play in background 177
Updated
Get your local weather forecast from the Firefox address bar 175
Updated
New in Thunderbird for Android version 8 174
Updated
Why do I get a harmful download message when downloading Firefox on Windows? 174
Updated
Explore the Firefox for Android menu 173
Updated
Automatically fill in credit card information on Firefox for Android 170
Updated
Instant Messaging and Chat 169
Review Needed
Unlink your Google or Apple ID from your Mozilla account 169
Updated
Explore the toolbar in Firefox for iOS 168
Updated
What happened to Firefox Send? 168
Updated
Addressing an Email 166
Updated
Upgrading from an older version of Thunderbird 166
Updated
Choose the Mozilla VPN plan that is right for you 165
Updated
Thunderbird 115 Supernova FAQ 164
Updated
Feed reader replacements for Firefox 163
Updated
Firefox keeps asking me for Primary Password 163
Updated
Getting started with the Thunderbird main window 163
Updated
Mozilla account deletion due to inactivity 163
Updated
Add the Firefox Search widget to your home screen 161
Updated
Primary Password is replacing Master Password in Thunderbird 159
Updated
Use tabs in Firefox for iOS 158
Updated
Change your default search on Firefox Focus for Android 155
Updated
Firefox doesn't save web form entries 155
Updated
Firefox Relay - Email and Phone masks 155
Updated
Report extensions and themes for abuse 154
Updated
Lock your private tabs on Firefox for Android 153
Updated
Thunderbird Software Update Failed 153
Updated
Joining public WiFi while on Mozilla VPN 152
Updated
What is the Mozilla VPN kill switch? 152
Updated
How can I tell if Mozilla VPN is connected? 151
Updated
Suspicious activity on my Mozilla account 151
Updated
Configuration Options for Attachments 149
Updated
Disable Mozilla VPN protection for a specific website 149
Updated
Keyboard Shortcuts for Searching 149
Updated
Set Firefox Focus as default browser on Android 149
Updated
Thunderbird 128 Nebula FAQ 148
Updated
X-Mouse Button Control in Firefox 110 147
Updated
Search your browsing history in Firefox for iOS 146
Updated
Set Firefox as your default browser from the notification panel on Android 145
Updated
Remove the Other Bookmarks folder from the Bookmarks Toolbar 144
Updated
Turn on/off saved logins, login sync and login autofill in Firefox for Android 144
Updated
Zoom in and out of websites on Firefox for Android 143
Updated
Thunderbird Matrix Chat FAQ 142
Updated
How to obtain the Mozilla VPN Logs 141
Updated
Firefox for iOS won't load web pages 140
Updated
How do I choose my server on Mozilla VPN? 140
Updated
Firefox says it's just updated every time it starts - how to fix 138
Updated
Use a Primary Password with Sync 137
Updated
How to download and install Mozilla VPN on Android 134
Updated
Uninstall Firefox for Android extensions 134
Updated
Vacation Response 134
Updated
Domains to allow for Firefox 133
Updated
Enable or disable search engines on Firefox for iOS 133
Updated
Recommended Firefox extensions for families and students 133
Updated
Firefox release notes - What's new and known issues 132
Updated
Send a tab from Firefox for iOS to another device 131
Updated
How do I report an issue with Firefox Relay? 129
Updated
Set Firefox as the default browser for iOS 129
Updated
Quickly access previously generated masks 128
Updated
Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN 127
Updated
Orbit Frequently Asked Questions 127
Updated
Repackage the Windows installer 127
Updated
Use the Eyedropper tool in Firefox to sample colors 127
Updated
What is Mozilla Connect? 127
Updated
How to Customize the New Mail Sound 126
Updated
Change the default language on Firefox for iOS 125
Updated
Create a new event or task 125
Updated
How can I get the latest version of Thunderbird on Windows XP or Vista? 125
Updated
Custom installation of Thunderbird on Windows 124
Updated
Resolve breaches with Mozilla Monitor 124
Updated
Choose your opening screen for Firefox for iOS 123
Updated
Website Dark Mode in Firefox for iOS 123
Updated
How can I send a large attachment? 122
Updated
Connecting to unsecured networks while using Mozilla VPN 121
Updated
How do I tell if I have the 32-bit or 64-bit Firefox? 121
Updated
Keyboard shortcuts in Firefox for iOS 121
Updated
Safari Integration in Firefox Focus for iOS 121
Updated
Telemetry collection - Windows default browser trends 120
Updated
Download photos and files on Firefox for iOS 119
Updated
Receive only important emails sent through your masks with Firefox Relay Premium 118
Updated
Recover user data missing after Thunderbird update 117
Updated
Unable to uninstall add-ons (extensions or themes) 117
Updated
Add and delete collections in MDN Plus 116
Updated
Security panel - Junk, scam, antivirus, and password settings in Thunderbird 116
Updated
Using OpenPGP secret keys that advertise features that are not supported by Thunderbird 116
Updated
Control Firefox New Tab personalization 115
Updated
Firefox Browser welcome pages - helping you get more from Firefox products and services 115
Updated
How to sign up for Mozilla VPN 115
Review Needed
I forgot my Mozilla account password and I can't sign in to Mozilla VPN 115
Updated
Manage policies on macOS desktops 115
Updated
Set Firefox Lite as your default browser 115
Updated
Switching the folder pane view 115
Updated
Why Firefox says "Your browser is being managed by your organization." 115
Updated
I forgot my password for Mozilla account and I can't sign in to Firefox Relay 114
Updated
New in Thunderbird for Android 112
Updated
Well known sources for downloading the Thunderbird email software 112
Review Needed
Grant camera access to Firefox for Android 111
Updated
I can't sign in to Mozilla VPN - What should I do? 111
Updated
How do I share Firefox between people on a computer? 110
Updated
How to Install and Use another Language in the Dictionary on Thunderbird 110
Updated
How does Firefox for Android use the permissions it requests? 109
Updated
Why can’t I use Firefox sync with my Google or Apple ID? 109
Updated
Automatically launch Mozilla VPN when your device starts 108
Review Needed
Register your own domain with Firefox Relay Premium 108
Updated
View recent tabs on your Firefox for iOS homepage 108
Updated
Where can I view my MDN Plus subscription information? 108
Review Needed
Can I use my screen reader with the new Firefox? 107
Updated
Certificate warnings in Firefox for iOS 107
Updated
Change the default language of Firefox for Android 107
Updated
Firefox accounts renamed Mozilla accounts - What you need to know 107
Updated
Tables - Format messages with rows and columns 107
Updated
userChrome.css and .js and userContent are unsupported 107
Updated
Download and install Mozilla VPN on iOS 106
Updated
How it Works - Respectful Ads @ Mozilla 106
Updated
End of support for Adobe Flash 105
Updated
Using Saved Searches 105
Updated
Automatically fill in your address on web forms in Firefox for Android 104
Updated
How can I contact support if I can’t sign in to Mozilla VPN 104
Updated
Install the Firefox Relay extension on Firefox for desktop 104
Updated
Report Site Issues on Firefox for iOS 104
Updated
Block cookie banners on Firefox for Android 103
Updated
Changing calendar preferences 103
Updated
How to use a Virtual Card (vCard) 103
Updated
Solutions for "Can not create temp folder archive" error when installing Firefox (Windows 10) 103
Updated
View articles recommended by Pocket on your Firefox New Tab and homepage 103
Updated
View recently saved bookmarks from your homepage on Firefox for iOS 103
Updated
Firefox for Enterprise 133 - Release notes 102
Updated
Thunderbird Daily 102
Updated
Use the in-browser print function on Firefox for Android 102
Updated
View mobile bookmarks on your computer 102
Updated
Block deceptive content and dangerous downloads in Firefox 101
Updated
Reply to forwarded emails with Firefox Relay Premium 101
Updated
Compacting folders - Potential complications 100
Updated
Stop screen brightness from dimming in Thunderbird for Android 100
Updated
Accessibility not available during multi-process support 99
Updated
AMO (addons.mozilla.org) - Managing account data 99
Updated
Open Search 99
Updated
Profiling Thunderbird Performance 99
Review Needed
Save web pages as PDFs in Firefox for iOS 99
Updated
What to do when searches take you to the wrong search website 99
Updated
Thunderbird release notes - What's new and known issues 98
Updated
Unified Toolbar 98
Updated
Enable or disable Local Network Access on iOS 97
Updated
Test versions of Firefox for your organization 97
Updated
Thunderbird Crashes 97
Updated
Advanced panel - System, network, updates, and other advanced settings in Thunderbird 96
Updated
Choosing a Firefox CPU architecture for Windows OS 96
Updated
Understanding in depth the profile per installation feature 96
Updated
Customize your Firefox app icon on iOS 95
Updated
Privacy panel - Remote content and cookie settings in Thunderbird 95
Review Needed
Privacy settings in Firefox for Enterprise 95
Updated
Glossary of Terms including types of Accounts 94
Updated
How to Use Find in Page for Firefox for Android 94
Updated
Open a new private tab in Firefox Focus for Android 94
Updated
Wrong home page opens when I start Firefox - How to fix 93
Updated
How do I share things from Firefox for Android? 92
Updated
Mobile Accessibility Features 92
Updated
Back up your Firefox installation folder 91
Updated
Firefox Relay Premium FAQ 91
Updated
How do I copy and paste text on Android? 91
Updated
How to View and Manage Saved Articles in Pocket for iOS 91
Review Needed
What's the difference between MDN and MDN Plus? 91
Updated
Copy text from images on Firefox for MacOS 90
Updated
Firefox blocked by macOS 15 Sequoia firewall - What you need to know 90
Updated
Firefox for Enterprise 78 - Release notes 90
Updated
Play videos full screen on Firefox for Android 90
Updated
Disable email forwarding - Stop receiving emails sent through your masks 89
Updated
Sync custom preferences 89
Updated
View and control data collected by Mozilla VPN 89
Updated
Make Firefox for Enterprise the default browser 88
Updated
Multiwindow support on iPad for Firefox 88
Updated
Auto-close open tabs in Firefox for Android 87
Updated
Data Loss Prevention 87
Updated
Firefox for Enterprise 140 - Release notes 86
Updated
Home page with pipe character opens extra tabs when Firefox starts 86
Updated
Change themes in Firefox for iOS 85
Updated
Control personal device and local network permissions on Firefox for Android 84
Updated
Firefox Support for Organizations 84
Updated
How do I uninstall Mozilla VPN? 84
Updated
OpenPGP keys might be authentic or counterfeit 84
Updated
Rate your Firefox experience, surveys and out of date messages (Heartbeat) 84
Updated
Get help with Firefox Developer Edition 83
Updated
RCS messaging and Mozilla VPN 83
Updated
How to delete an email mask 82
Updated
A program on your computer interferes with the Mozilla VPN extension 81
Updated
Install the Firefox Relay extension in Firefox for Android 80
Updated
Change your wallpaper in Firefox for iOS 79
Updated
Hide Images in Firefox for iOS 79
Updated
How do I quit Firefox for Android? 79
Updated
How to disable the Firefox Relay autofill icon on online fields and websites 79
Updated
Address autofill on Firefox 78
Updated
Exclude applications from Mozilla VPN protection 78
Updated
How do I cancel my subscription to Firefox Relay? 78
Updated
Set Firefox as your mail-to default on Windows 78
Updated
Firefox service providers and partners 77
Updated
Generate strong passwords in Firefox for Android 77
Updated
Global Privacy Control in Firefox for Android 76
Updated
Why does Monitor show me in a data breach for a site I never signed up to? 76
Updated
What is Firefox Klar for Android? 75
Updated
Creating a Newsgroup Account 74
Updated
Disable high contrast mode in Firefox 74
Updated
How do I share a tab from Firefox for Android? 74
Updated
How do I view synced tabs on Firefox for Android? 74
Updated
Search within a web page in Firefox for iOS 74
Updated
Voice input in Firefox for Android 74
Updated
Address screen sharing issues with Firefox on macOS 15 Sequoia 73
Updated
Inviting Other People to Events 71
Updated
How does Firefox Focus for Android use the permissions it requests? 70
Updated
How to share URLs on Firefox for macOS 70
Updated
What is search hijacking? 70
Updated
I can't find Firefox Focus in Germany, Austria or Switzerland 69
Updated
Setting Up Roaming Users Profiles 69
Updated
Where can I find a list of policies for Firefox for Enterprise? 69
Updated
How do I contact MDN Plus support? 68
Updated
Firefox Focus for Android - Frequently asked questions 67
Updated
Firefox macOS session resume feature 67
Updated
Integrate Firefox Relay into the Firefox Password Manager 67
Updated
Managing policies on Linux desktops 67
Updated
View recent tabs on your Firefox for Android homepage 67
Updated
Access toolbar functions using the keyboard 66
Updated
Navigation bar in Firefox for iOS 66
Updated
Deploy Firefox on Windows 65
Updated
Mozilla VPN - FAQ 65
Updated
Thunderbird and Comcast 65
Updated
Troubleshooting speed issues on Mozilla VPN 65
Updated
Work with events 65
Updated
Add Search Engine to Open Search 64
Updated
How do I reset Mozilla VPN? 64
Review Needed
How to cast YouTube videos on Firefox for Fire TV 64
Updated
Manage your Monitor notifications 64
Updated
Verify a Mozilla Thunderbird installation package 64
Updated
Explore the Firefox for iOS menu 63
Updated
File system paths on Linux are always treated as UTF-8 63
Updated
Firefox for Android’s protection against fingerprinters 63
Updated
Enable light or dark mode in MDN 62
Updated
Where can I get help with the MDN API and documentation? 62
Updated
Lightning User Interface 61
Updated
Remove a search engine in Firefox Focus for Android 61
Updated
How can I help by submitting mobile performance data? 60
Updated
Live Bookmarks - Subscribe to a web page for news and updates 60
Updated
Unable to install add-ons (extensions or themes) in Thunderbird 60
Updated
Why Open Badges? 60
Updated
Generate strong passwords in Firefox for iOS 59
Updated
Restore the default Smart Bookmarks Folders 59
Updated
Solve math calculations directly in your Firefox address bar 59
Updated
Download the Beta and Nightly versions of Firefox Focus for Android 58
Updated
How do I monitor multiple email addresses? 58
Updated
How do I block phone calls or texts to my Relay Phone mask? 57
Updated
How do I change my Privacy features? 57
Updated
How to fix an error when trying to open Telegram or Slack on Firefox 57
Updated
How to manually add accounts to the password manager in Firefox for iOS 57
Updated
Identify noisy tabs in Firefox for Android 57
Updated
Problems with email and how to find help 57
Updated
Thunderbird and AT&T 57
Updated
Uninstall Firefox for Android 57
Updated
Transfer information from the old to new Firefox for Android (Nightly or Beta) 56
Updated
What to do after a data breach 56
Updated
Change the default search in Firefox Focus on iOS 55
Updated
Copy a saved password in Firefox for Android 55
Updated
How does Firefox for iOS use the permissions it requests? 55
Updated
How do I contact support for Relay Premium? 55
Updated
Calendar updates issues with Thunderbird 54
Updated
How Review Checker preserves user privacy 54
Updated
New in Thunderbird 128 Nebula 54
Updated
Uninstall Firefox for iOS 54
Updated
Relay Phone Masking FAQ 53
Updated
What to do if another extension interferes with the Mozilla VPN extension 53
Updated
Firefox Focus main Menu 52
Updated
Firefox for Enterprise 128 - Release notes 52
Updated
Install system add-ons on Firefox for Enterprise 52
Updated
Turn search suggestions on or off on Firefox for iOS 52
Updated
Use labels to keep your masks organized in Firefox Relay 52
Updated
What to do after you have subscribed to Mozilla VPN 52
Updated
Change to desktop view on Firefox Focus for iOS 51
Updated
Difficulties opening or using a website in Firefox Focus for Android 100 51
Updated
How can I help submit and resolve bugs in the MDN content repo? 51
Updated
How does Firefox Focus for iOS use the permissions it requests? 51
Updated
Search Firefox instantly on your Android home screen 51
Updated
Thunderbird’s Scam Detection 51
Updated
How do I reply to a text message sent to my phone mask? 50
Updated
Managing Thunderbird Updates 50
Updated
Why aren’t my add-ons working on some websites? 50
Updated
Firefox desktop icon gallery for SUMO contributors 49
Updated
Firefox Lite Turbo Mode 49
Updated
Primary Password is replacing Master Password 49
Updated
Thunderbird support has ended for Mac OS X 10.6, 10.7 and 10.8 49
Updated
Turn off ads on MDN Plus 49
Updated
Firefox for Enterprise 143 - Release notes 48
Updated
General questions about Relay email domains 48
Updated
My privacy settings were changed from Custom to Standard 48
Updated
64-bit Firefox crashes with Citrix's XenApp VM 47
Updated
Avoid crashes - Tips and tricks 47
Updated
Unable to download files in Windows 10 when Parental Controls are on 47
Updated
Manage the Mozilla VPN extension preferences 46
Updated
New in Thunderbird 115 Supernova 46
Updated
Deploy Firefox customizations on macOS 45
Updated
Enable email invitations for CalDAV servers configured to do serverside scheduling 45
Updated
Firefox for Enterprise 115 - Release notes 45
Updated
Firefox hangs when copying with Suggested Actions enabled on Windows 11 - What to do 45
Updated
General questions about privacy protection scans 45
Updated
Safe browsing in Firefox Focus 45
Updated
What's new in Firefox for iOS (version 36) 45
Updated
Firefox for Enterprise 131 - Release notes 44
Updated
How do I opt out of Mozilla Monitor? 44
Updated
How to replace Google Assistant with a Firefox search 44
Updated
Manage your Mozilla account newsletter and email preferences 44
Updated
Remove a search engine in Firefox Focus for iOS 44
Updated
Searching with Firefox for Android 44
Updated
The language of the websites I visit changes when I turn Mozilla VPN on - What to do 44
Updated
Thunderbird end of Support for XP and Vista 44
Updated
Will policies I set work if users already installed Firefox? 44
Updated
Block add-ons in Firefox for Enterprise 43
Updated
Configuration Options for Identity 43
Updated
Disable credit card and payment method syncing across devices 43
Updated
Switch to desktop view on Firefox Focus for Android 43
Updated
Using Dark Theme in Firefox for iOS 43
Updated
What happened to my Live Bookmarks? 43
Updated
Change site permissions in Firefox Focus for Android 42
Updated
How to automatically label your new email masks 42
Updated
Thunderbird and Logjam 42
Updated
Add shortcuts to websites on your home screen 41
Updated
Dangerous directories 41
Updated
Facebook Container isn't working 41
Updated
Firefox for Enterprise 132 - Release notes 41
Updated
Configuring Lightning 40
Updated
How do you use Google Firebase in Firefox? 40
Updated
How will DNS work when using the VPN extension? 40
Updated
Names but no Email Addresses are Displayed 40
Updated
What languages is Mozilla VPN available in? 40
Updated
What's New in Firefox Focus for iOS 40
Updated
Bookmark pages in Firefox Lite 39
Updated
In what languages is Firefox Relay available in? 39
Updated
Unsent crash reports in Firefox 39
Review Needed
Autofill Credit Cards in Firefox for iOS 38
Updated
Block cookies in Firefox Focus for Android 38
Updated
"FAQ" article type best practices 38
Updated
How do I request a refund for Firefox Relay Premium 38
Updated
I forgot my Password for Mozilla account and I can't sign in to MDN Plus 38
Updated
What's new in Firefox for iOS (version 98) 38
Updated
Firefox for Enterprise 119 - Release notes 37
Updated
Firefox Lite enhanced search with Awesome bar 37
Updated
I can’t play audio on a Remote Desktop Connection 37
Updated
Send Tab from another mobile app to Firefox 37
Updated
Videos don't have sound on Citrix 37
Updated
Difficulties opening or using a website in Firefox 100 36
Updated
Firefox for Enterprise 84 - Release notes 36
Updated
Firefox for Enterprise 95 - Release notes 36
Updated
Get custom suggestions in the Firefox address bar 36
Updated
How do I change my MDN Plus subscription plan? 36
Updated
New in Thunderbird 102 36
Updated
Share your Android device with a Firefox Guest Session 36
Updated
Delete an individual tab in Firefox Focus for Android 35
Updated
Firefox for Android (68 and earlier) end of support 35
Updated
Firefox for Enterprise 127 - Release notes 35
Updated
Firefox for Enterprise 79 - Release notes 35
Updated
Firefox for Enterprise 97 - Release notes 35
Updated
How do I update Mozilla VPN? 35
Updated
How is Facebook Container different from Multi-account Containers? 35
Updated
Access games from Firefox Lite 34
Updated
Firefox crashes - asking for support 34
Updated
Updating processor microcode 34
Updated
What's new in Firefox Lite (version 2.5) 34
Updated
Access the latest news from Firefox Lite 33
Updated
Debugging policy issues 33
Updated
Firefox for Enterprise 107 - Release notes 33
Updated
Firefox for Enterprise 124 - Release notes 33
Updated
Receive notifications in MDN Plus 33
Updated
What happens when your SUMO profile is inactive or deleted 33
Updated
What is Firefox Klar for iOS? 33
Updated
What's new in Firefox for iOS (version 111) 33
Updated
Why do I see a white screen after updating Mozilla VPN to version 2.8.3? 33
Updated
Create a recurring event 32
Updated
Firefox for Enterprise 136 - Release notes 32
Updated
Firefox for Enterprise 139 - Release notes 32
Updated
Get started with Firefox 141 for iOS 32
Updated
How to delete my Mozilla account via the Mozilla VPN app on Android and iOS 32
Updated
Thunderbird and Sympatico 32
Updated
What are email trackers and how can I block them with Firefox Relay? 32
Review Needed
What's new in Firefox for iOS (version 106) 32
Updated
Change your theme in Firefox Focus for Android 31
Updated
What's new in Firefox for iOS (version 34) 31
Updated
Add a search engine to Firefox klar for Android 30
Updated
Contact support from my Mozilla VPN app 30
Updated
Firefox for Enterprise 142 - Release notes 30
Updated
What is Mozilla's Open Badges project? 30
Updated
What's new in Firefox for iOS (version 37) 30
Updated
What's new in Firefox for iOS (version 97) 30
Updated
Change the default email program in Firefox for iOS 29
Updated
Edit top sites on Firefox Lite home screen 29
Updated
Re-enable multi-process support disabled by Windows utilities 29
Updated
Relay Phone Masking - How long can I talk when I get a call? 29
Updated
Turn push notifications on or off in Firefox for iOS 29
Updated
Unsafe properties of OpenPGP keys might be ignored 29
Updated
What should I do if I'm redirected to the Firefox Relay FAQ when clicking a link within an email? 29
Updated
Why do I get an error when I try to upgrade my subscription? 29
Updated
Your hardware is no longer supported by Thunderbird 29
Updated
Firefox is no longer available for download in the T-Store 28
Updated
How do I contact MDN Plus support if I forgot my password for Mozilla account? 28
Updated
Send text or multimedia messages from Firefox for Android 28
Updated
What's new in Firefox for iOS (version 39) 28
Updated
What's new in Firefox for iOS (version 99) 28
Updated
Change Firefox Lite themes 27
Updated
Compatibility with Exploit protection on Windows 27
Updated
Drag and drop links and tabs to and from Firefox 27
Updated
How do you use Adjust in Firefox? 27
Updated
In which countries is MDN Plus available to subscribe? 27
Updated
Open and switch between multiple websites (multi-tab) 27
Updated
Travel deals and guides in Firefox Lite 27
Updated
Firefox Lite Content and Services 26
Updated
How do I restore my Mozilla VPN Subscription on my mobile device? 26
Updated
How do I submit a bug for Firefox Sync? 26
Updated
Tracking Protection on Firefox Focus for iOS 26
Updated
What's new in Firefox for iOS (version 102) 26
Updated
Access popular sites from Firefox Lite 25
Updated
Bugzilla - Managing account data 25
Updated
Firefox Sync takes too long to sync or send pages from my iPhone or iPad 25
Updated
In which countries is Firefox Relay Premium available to subscribe? 25
Updated
Open a new private tab in Firefox Klar 25
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Reorder tabs from tab view 25
Updated
"Troubleshooting" article type best practices 25
Updated
Understand unexpected script warnings in Firefox 25
Updated
What's new in Firefox for iOS (version 101) 25
Updated
What's new in Firefox for iOS (version 40) 25
Updated
Autocomplete settings in the Firefox Klar address bar 24
Updated
Clear your cache without clearing your browsing history 24
Updated
Firefox for Enterprise 85 - Release notes 24
Updated
Firefox for Enterprise 96 - Release notes 24
Updated
Fritz!box isn't working when Mozilla VPN is on 24
Updated
View articles recommended by Pocket on your Firefox for iOS homepage 24
Updated
What's new in Firefox for iOS (version 35) 24
Updated
Add search engines in Firefox Klar for iOS 23
Updated
Add trusted sites to your allow list on Firefox Klar 23
Updated
Autocomplete web addresses in the URL bar in Firefox Klar for iOS 23
Updated
Discourse - Managing account data 23
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Firefox for Enterprise 141 - Release notes 23
Updated
Firefox for Enterprise 91 - Release notes 23
Updated
Usage Data Changes for Firefox for iOS and Android 23
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What's New in Firefox Klar for iOS 23
Updated
Browse faster by blocking images in Firefox Lite 22
Updated
Firefox for Enterprise 86 - Release notes 22
Updated
Fix phone masking issues and protect voicemail privacy in Relay 22
Updated
How to upgrade your MDN Plus subscription 22
Updated
Mozilla People Directory - Managing account data 22
Updated
Set Firefox Focus as the default browser for iOS 22
Updated
Web pages aren't displaying properly in Firefox for Android 22
Updated
What's new in Firefox for iOS (version 96) 22
Updated
Change the date or time of an event 21
Updated
Firefox for Enterprise 117 - Release notes 21
Updated
Firefox for Enterprise 87 - Release notes 21
Updated
Lightbeam extension for Firefox is no longer supported 21
Updated
Unsent crash reports in Firefox for Android 21
Updated
Difficulties with a website in Firefox Klar for Android 100 20
Updated
Firefox for Enterprise 109 - Release notes 20
Updated
Firefox for Enterprise 137 - Release notes 20
Updated
Firefox for Enterprise 138 - Release notes 20
Updated
Firefox for Enterprise 89 - Release notes 20
Updated
Mozilla VPN message center 20
Updated
What's new in Firefox for iOS (version 104) 20
Updated
What's new in Firefox for iOS (version 38) 20
Updated
What's new in Firefox Klar for iOS (version 97) 20
Updated
Capture screenshots using Firefox Lite 19
Updated
"Certificate cannot be trusted" warning in Kazakhstan 19
Updated
Clear browsing history from Firefox Lite 19
Updated
Firefox for Enterprise 126 - Release notes 19
Updated
Firefox for Enterprise 129 - Release notes 19
Updated
Firefox for Enterprise 130 - Release notes 19
Updated
Firefox for Enterprise 90 - Release notes 19
Updated
Firefox Lite - What vendors do you use that could receive my data? 19
Updated
Perform price comparisons in Firefox Lite 19
Updated
Change your theme in Firefox Focus for iOS 18
Updated
Common Voice Accounts - Managing Account Data 18
Updated
Find words on a page in Firefox Focus for Android 18
Updated
Find words on a page in Firefox Focus for iOS 18
Updated
Firefox for Enterprise 110 - Release notes 18
Updated
Firefox for Enterprise 122 - Release notes 18
Updated
Firefox ScreenshotGo - capture and organize screenshots 18
Updated
Remove a search engine in Firefox Klar for Android 18
Updated
What's new in Firefox for iOS (version 105) 18
Updated
Why is each open Firefox tab showing up in the Windows volume mixer? 18
Updated
Drag links to and from Firefox Focus 17
Updated
Firefox for Enterprise 80 - Release notes 17
Updated
Firefox for Enterprise 101 - Release notes 16
Updated
Firefox for Enterprise 121 - Release notes 16
Updated
Firefox for Enterprise 98 - Release notes 16
Updated
How do I redeem a coupon code? 16
Updated
Mozilla Voice Server Proxy Retiring 16
Updated
Screenshot categories in Firefox Lite 16
Updated
What's new in Firefox for iOS (version 107) 16
Updated
A guide to linking to support articles 15
Updated
Change Firefox Lite to Night Mode 15
Updated
Firefox for Enterprise 113 - Release notes 15
Updated
Firefox for Enterprise 123 - Release notes 15
Updated
Firefox for Enterprise 83 - Release notes 15
Updated
Firefox for Enterprise 92 - Release notes 15
Updated
GeckoView in Firefox Klar 15
Updated
How can I personally display Open Badges? 15
Updated
How does my organization become a displayer of Open Badges? 15
Updated
How do I request a refund for MDN Plus? 15
Updated
Private Browsing in Firefox Lite 15
Updated
Tracking Protection on Firefox Klar for iOS 15
Updated
Use Face ID or Touch ID on Firefox Klar 15
Updated
What's new in Firefox for iOS (version 100) 15
Updated
What's new in Firefox for iOS (version 103) 15
Updated
What's new in Firefox for iOS (version 108) 15
Updated
What's new in Firefox for iOS (version 109) 15
Updated
"About" article type best practices 14
Updated
Crash on Broadwell-U with old microcode 14
Updated
Firefox for Enterprise 112 - Release notes 14
Updated
Firefox for Enterprise 93 - Release notes 14
Updated
Firefox for Enterprise 99 - Release notes 14
Updated
Share pages with Firefox from other browsers 14
Updated
Add Firefox to the Today view on your iOS device 13
Updated
Change site permissions in Firefox Klar for Android 13
Updated
Firefox for Enterprise 100 - Release notes 13
Updated
Firefox for Enterprise 102 - Release notes 13
Updated
Firefox for Enterprise 116 - Release notes 13
Updated
How do I request a refund for Monitor Plus? 13
Updated
Is there Open Badges research available? 13
Updated
Learn how to subscribe to MDN Plus 13
Updated
MDN - Managing account data 13
Updated
Set Firefox Klar as the default browser for iOS 13
Updated
Change to desktop view on Firefox Klar for Android 12
Updated
Firefox for Enterprise 104 - Release notes 12
Updated
Firefox for Enterprise 114 - Release notes 12
Updated
Firefox for Enterprise 118 - Release notes 12
Updated
How does Firefox Klar for iOS use the permissions it requests? 12
Updated
How do I update my payment information for my MDN Plus subscription? 12
Updated
I can’t watch YouTube videos fullscreen on Firefox Lite 12
Updated
Remove a search engine in Firefox Klar for iOS 12
Updated
What is BadgeKit? 12
Updated
What is included in BadgeKit? 12
Updated
What is the Open Badges Infrastructure? 12
Updated
What's new in Firefox Klar for Android 12
Updated
What's new in Firefox Klar for iOS (version 107) 12
Updated
What's new in Firefox Klar for iOS (version 99) 12
Updated
Block cookies in Firefox Klar for Android 11
Updated
Firefox for Enterprise 120 - Release notes 11
Updated
Firefox for Enterprise 82 - Release notes 11
Updated
What is Mozilla BadgeKit? 11
Updated
Who is BadgeKit for? 11
Updated
Access downloads in Firefox Lite 10
Updated
Change your default search on Firefox Klar for Android 10
Updated
Drag links to and from Firefox Klar 10
Updated
Firefox for Enterprise 125 - Release notes 10
Updated
How do I contact support for Monitor Plus? 10
Updated
HTTPS-Only Mode in Firefox Klar for Android 10
Updated
Pontoon - Managing account data 10
Updated
Safe browsing in Firefox Klar 10
Updated
Search suggestions in Firefox Klar for Android 10
Updated
What's new in Firefox Klar for iOS (version 104) 10
Updated
Where can I go for technical help? 10
Updated
Change your theme in Firefox Klar for iOS 9
Updated
Find words on a page in Firefox Lite 9
Updated
Firefox for Enterprise 88 - Release notes 9
Updated
Firefox for Enterprise 94 - Release notes 9
Updated
How does Firefox Klar for Android use the permissions it requests? 9
Updated
Splash Accounts - Managing Account Data 9
Updated
What's new in Firefox Klar for iOS (version 98) 9
Updated
Find words on a page in Firefox Klar for iOS 8
Updated
Firefox for Enterprise 81 - Release notes 8
Updated
How do I share the badges I've earned? 8
Updated
"How-to" article type best practices 8
Updated
I can't take screenshots of some websites on Firefox Lite 8
Updated
Moderator - Managing account data 8
Updated
What's new in Firefox Klar for iOS (version 40) 8
Updated
Change to desktop view on Firefox Klar for iOS 7
Updated
Find words on a page in Firefox Klar for Android 7
Updated
Firefox Klar for Android - Frequently asked questions 7
Updated
How do I cancel my subscription to MDN Plus? 7
Updated
How to opt out of studies on Firefox Klar for iOS 7
Updated
Set Firefox Klar as your default browser on Android 7
Updated
What's new in the August 31, 2015 release? 7
Updated
Where can I go for Open Badges support? 7
Updated
Why did we create Mozilla BadgeKit? 7
Updated
Add web page shortcuts to your Home screen in Firefox Klar 6
Updated
Are all my badges public? 6
Updated
Change the default search in Firefox Klar on iOS 6
Updated
Change your theme in Firefox Klar for Android 6
Updated
Search suggestions in Firefox Klar for iOS 6
Updated
What is a badge? 6
Updated
What's new in Firefox Klar for iOS (version 106) 6
Updated
Who else is issuing Open Badges? 6
Updated
How do I become an issuer? 5
Updated
Is BadgeKit ready now? 5
Updated
Where can I earn badges? 5
Updated
Where is technical documentation for BadgeKit? 5
Updated
Deceased or incapacitated account management FAQ 4
Updated
Website will not allow Firefox to display the page if another site has embedded it 4
Updated
What is a Mozilla Backpack? 4
Updated
What's new in Firefox Klar for iOS (version 105) 4
Updated
What's New in Firefox Klar for iOS (version 39) 4
Updated
Delete an individual tab in Firefox Klar for Android 3
Updated
What's new in Firefox Klar for iOS (version 103) 3
Updated
Placeholder article 091802
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Placeholder Bug 1929565
Updated