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Get started with Firefox - An overview of the main features 1,820,555
Review Needed
Update Firefox to the latest release 954,265
Secure connection failed and Firefox did not connect 808,638
How to change your default browser in Windows 10 745,906
Review Needed
Insecure password warning in Firefox 717,535
Review Needed
Refresh Firefox - reset add-ons and settings 665,833
Review Needed
What's new in Firefox for Android 293,725
Enhanced Tracking Protection in Firefox for desktop 198,354
Review Needed
What's new in Firefox for iOS (version 30) 145,334
Firefox options, preferences and settings 142,836
Firefox Page Info window 137,069
Common Myths about Private Browsing 131,992
How to troubleshoot time related errors on secure websites 121,773
Review Needed
How to download and install Firefox on Windows 109,118
Add-on Badges 104,182
Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work? 101,504
Customize Firefox controls, buttons and toolbars 98,680
Firefox has ended support for Windows XP and Vista 94,074
Install Firefox on Linux 89,550
Review Needed
How to troubleshoot security error codes on secure websites 87,765
Review Needed
What do the security warning codes mean? 84,870
Windows 10 warns me to use a "Microsoft-verified" app 82,672
How to clear the Firefox cache 78,362
Snippets in Firefox FAQ 77,208
Review Needed
Permission request messages for Firefox extensions 77,043
Review Needed
Trackers and scripts Firefox blocks in Enhanced Tracking Protection 67,984
Why do I have to click to activate plugins? 65,992
Private Browsing in Firefox for iOS 58,420
How to set the home page 56,408
Install the Flash plugin to view videos, animations and games 55,956
Keyboard shortcuts - Perform common Firefox tasks quickly 53,626
Cookies - Information that websites store on your computer 53,187
Web Push notifications in Firefox 51,449
Manage local site storage settings 46,977
Profiles - Where Firefox stores your bookmarks, passwords and other user data 43,428
Send Tab from Firefox desktop to other devices 42,752
New in Thunderbird 60 42,127
Watch DRM content on Firefox 40,915
Install an older version of Firefox 40,806
Fix "The bookmarks and history system will not be functional" error message 40,271
How to download and install Firefox on Mac 40,117
Filelink for Large Attachments 39,693
Firefox's performance settings 39,343
Review Needed
Search with the Firefox address bar 38,948
Website will not allow Firefox to display the page if another site has embedded it 37,593
Private Browsing - Use Firefox without saving history 36,105
Review Needed
Extensions in Private Browsing 35,842
Clear cookies and site data in Firefox 35,112
Control audio or video playback with your keyboard 33,090
Mixed content blocking in Firefox 32,369
Firefox for Android upgrade FAQs 31,883
Configuration Editor for Firefox 31,498
Does Firefox share my location with websites? 30,973
Review Needed
Delete browsing, search and download history on Firefox 30,768
Troubleshoot Firefox issues using Safe Mode 30,315
Find and install Add-ons on Firefox for Android 30,233
Import data from another browser 30,000
Profile Manager - Create, remove, or switch Firefox profiles 29,356
Access Mozilla Services with a Firefox Account 29,004
Export Firefox bookmarks to an HTML file to back up or transfer bookmarks 28,984
Connection settings in Firefox 28,038
End of support for Adobe Flash 27,999
Make Firefox the default browser on Android 27,727
Find and install add-ons to add features to Firefox 27,573
Find what version of Firefox you are using 27,349
Password Manager - Remember, delete and edit logins and passwords in Firefox 27,176
Pop-up blocker settings, exceptions and troubleshooting 27,140
Customize the Firefox home screen 27,001
Add-on signing in Firefox 26,376
Choose a strong password 24,179
Review Needed
Understanding the risks of installing self-hosted extensions 23,279
Back up and restore information in Firefox profiles 23,230
Make Firefox your default browser 22,599
Personalized extension recommendations 20,499
Review Needed
Firefox uses too much memory or CPU resources - How to fix 20,492
Run Firefox on ChromeOS 20,287
Review Needed
Websites don't load - troubleshoot and fix error messages 20,244
Disable or remove Add-ons 20,119
Change your default search settings in Firefox 19,739
Import bookmarks and other data from Google Chrome 19,223
Moving Thunderbird Data to a New Computer 19,118
Review Needed
Use Firefox in another language 18,591
Flash Plugin - Keep it up to date and troubleshoot problems 17,444
How do I set up Sync on my computer? 17,440
Content blocking 17,342
Bookmarks in Firefox 17,341
How to manage your camera and microphone permissions with Firefox 17,065
My sign in was “blocked for security reasons” on Firefox Accounts 16,955
Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window 16,814
Restore bookmarks from backup or move them to another computer 16,449
Private Browsing on Firefox for Android 16,167
Profiles - Where Thunderbird stores your messages and other user data 15,698
Review Needed
Recovering important data from an old profile 15,621
Recommended Extensions program 15,531
Firefox Monitor - Frequently asked questions 15,124
How do I turn on the Do Not Track feature? 15,007
About the New Tab page 14,774
Recover lost or missing Bookmarks 14,454
How does built-in Phishing and Malware Protection work? 13,855
Import login data from a file 13,439
Firefox can't load websites but other browsers can 12,770
Secure your Firefox Account with two-step authentication 12,525
Websites say cookies are blocked - Unblock them 12,405
Use a Primary Password to protect stored logins and passwords 12,354
HTTPS-Only Mode in Firefox 12,126
What's new in Firefox for iOS (version 29) 12,041
Review Needed
View PDF files in Firefox or choose another viewer 11,890
Update to the latest version of Firefox for Android 11,727
Fix common audio and video issues 11,473
Secure website certificate 11,467
Review Needed
Recommendations from Firefox 10,920
Firefox Browser welcome pages - helping you get more from Firefox products and services 10,817
Manage my default search engines in Firefox for Android 10,781
Review Needed
How to set up Firefox Sync in Firefox for Android 10,724
Avoid and report Mozilla tech support scams 10,700
Troubleshoot and diagnose Firefox problems 10,642
Firefox Screenshots 10,461
The Flash plugin is blocked on some sites by default 10,389
Import Bookmarks from an HTML file 10,324
Upgrade your graphics drivers to use hardware acceleration and WebGL 10,308
Managing devices using Firefox Accounts 10,243
Review Needed
New in Thunderbird 78.0 10,123
Change what Firefox does when you click on or download a file 10,083
Switching from Chrome to Firefox 10,005
Allow or block media autoplay in Firefox 9,717
Change primary email address on Firefox Accounts 9,705
Review Needed
Add or remove a search engine in Firefox 9,595
Manage tabs in Firefox for Android 9,562
Troubleshoot Firefox issues caused by malware 9,372
Restore previous session - Configure when Firefox shows your most recent tabs and windows 9,222
Where to find and manage downloaded files in Firefox 9,095
Create a desktop shortcut to a website 9,084
Windows 10 S won't let me install Firefox 8,885
Choose display languages for multilingual web pages 8,739
Multi-Account Containers 8,699
Review Needed
Thunderbird and Gmail 8,698
Review Needed
Firefox DNS-over-HTTPS 8,644
Uninstall Firefox from your computer 8,535
Fix printing problems in Firefox 8,453
Use the Troubleshooting Information page to help fix Firefox issues 8,414
Set Firefox Lite as your default browser 8,305
Review Needed
An extension changed my New Tab page or home page 8,303
Ignoring threads 8,159
Address bar autocomplete in Firefox 8,102
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems 8,067
Quick fixes if your Firefox slows down 7,964
Firefox hangs or is not responding - How to fix 7,836
Customize the New Tab page 7,690
I'm having problems with my Firefox Account 7,436
Review Needed
Browsing history in Firefox - View the websites you have visited 7,328
View Virtual Reality with Firefox WebVR 7,255
Review Needed
Restore the Menu bar in Firefox 7,232
Turn picture-in-picture mode controls on and off 7,124
What happened to Tracking Protection? 7,078
New in Thunderbird 52.0 7,029
Will Firefox work on my mobile device? 6,924
What to do if Firefox won't play any sounds 6,779
JavaScript settings and preferences for interactive web pages 6,752
Automatically fill in your address on web forms 6,648
Playing videos in Firefox for Android 6,646
Install Firefox on your iPad, iPhone or iPod 6,619
Firefox Lockwise - Alerts for breached websites 6,525
Deploy Firefox with MSI installers 6,502
How to add translate feature to Firefox 6,465
Fix login issues on websites that require a username and password 6,441
Firefox Accounts on 6,437
What is the Accessibility Service Indicator? 6,362
Fix video and audio playback problems on Firefox for Windows 6,350
Getting started with Firefox Lockwise 6,350
New in Thunderbird 45.0 6,321
How do I tell if my connection to a website is secure? 6,319
Fix problems that cause images to not show 6,307
Change the fonts and colors websites use 6,287
Review Needed
Send usage data on Firefox mobile browsers 6,282
Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release 6,281
Configure Windows Firewall to allow Firefox access to the Internet 6,190
What to do if you can't download or save files 6,021
How do I restore my tabs from last time? 5,986
Installing Thunderbird on Windows 5,960
Upgrading to the new version of Firefox (84+) on Apple Silicon 5,907
Manual Account Configuration 5,836
Font size and zoom - increase the size of web pages 5,759
Cannot receive messages 5,735
Remote Content in Messages 5,709
Firefox won't start - find solutions 5,598
Share browser windows or your screen with sites you trust 5,453
Reset Firefox preferences to troubleshoot and fix problems 5,392
Send files to anyone securely with Firefox Send 5,385
Firefox Accounts - Managing account data 5,323
Recover user data missing after Firefox update 5,316
Signatures 5,298
Setting Up Certificate Authorities (CAs) in Firefox 5,274
About Picture-in-Picture in Firefox 5,256
Remove websites from the address bar suggestions 5,230
Review Needed
Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8 5,214
Customizing Firefox Using Group Policy (Windows) 5,171
Automatically fill in credit card data on Web forms 5,150
Block and unblock websites with parental controls on Firefox 5,138
Facebook Container - Prevent Facebook from tracking you on other websites 5,016
Review Needed
Switch to Firefox Extended Support Release (ESR) for personal use 5,001
Firefox and other browsers can't load websites 4,993
HTML5 audio and video in Firefox 4,896
Export login data from Firefox Lockwise 4,895
Control whether Firefox automatically fills in forms 4,880
Introduction to End-to-end encryption in Thunderbird 4,865
Password Manager - Remember, delete and change passwords in Thunderbird 4,841
Downloads in Firefox for Android 4,839
Review Needed
How do I copy and paste text on Android? 4,824
Server Not Found - Troubleshoot connection problems 4,773
What's new in Firefox for iOS (version 28) 4,710
Can't add, change or save bookmarks - How to fix 4,704
Warning Unresponsive script - What it means and how to fix it 4,680
Firefox crashes - Troubleshoot, prevent and get help fixing crashes 4,646
Site Information panel 4,644
Keyboard Shortcuts TB 4,610
Cannot remove an add-on (extension or theme) 4,517
Install Firefox on an Android device using Google Play 4,464
Export bookmarks to Internet Explorer 4,434
Review Needed
Block websites from storing cookies and site data in Firefox 4,420
What is Firefox Focus? 4,415
Review Needed
Automatic Account Configuration 4,414
Review Needed
Enhanced Tracking Protection in Firefox for Android 4,374
Review Needed
Reset your Firefox Account password with Recovery Keys 4,347
Review Needed
Tips for assessing the safety of an extension 4,338
Cannot send messages 4,337
Add-ons in Firefox for iOS 4,288
"Firefox is already running but is not responding" error - How to fix 4,281
Review Needed
Task Manager - see what tabs or extensions are slowing down Firefox 4,237
Tab preferences and settings 4,228
Configure firewalls so that Firefox can access the Internet 4,208
What if I'm locked out of Two-Step Authentication? 4,064
Using Multiple Profiles 4,046
Review Needed
OpenPGP in Thunderbird - HOWTO and FAQ 4,023
Review Needed
How to run Firefox when your profile is missing or inaccessible 4,014
How do I delete a bookmark? 3,994
Disable third-party cookies in Firefox to stop some types of tracking by advertisers 3,954
Where are my logins stored? 3,944
Sync bookmarks, logins and browsing history on Firefox for iOS 3,883
Use themes to change the look of Firefox 3,870
Adobe Flash protected mode in Firefox 3,790
Switching to Thunderbird 3,778
Installing Thunderbird on Linux 3,770
Review Needed
I'm having problems confirming my Firefox Account 3,731
Choosing a Firefox update channel 3,670
Use bookmark folders to organize your bookmarks 3,656
Updating Thunderbird 3,623
How to print web pages in Firefox 3,619
Install Firefox on your phone or tablet 3,549
Using Lightning with Google Calendar 3,520
Review Needed
Autofill logins on Firefox 3,422
Clear your browsing history and other personal data on Firefox for Android 3,408
Firefox Reader View for clutter-free web pages 3,400
Review Needed
Sync bookmarks, tabs, history and passwords on Android 3,332
Review Needed
Import Internet Explorer Favorites from another computer 3,226
Import Bookmarks and other data from Internet Explorer or Microsoft Edge 3,175
Search suggestions in Firefox 3,156
How to stop Firefox from making automatic connections 3,135
Review Needed
Thunderbird 78 FAQ 3,086
Firefox for Android (68 and earlier) end of support 3,085
What happened to Firefox Send? 3,047
Unable to install add-ons (extensions or themes) in Thunderbird 3,044
Hardware acceleration and WindowBlinds causes Firefox to crash 3,020
profile manager create and remove thunderbird profiles 2,973
Review Needed
New Email Address 2,970
Usernames and passwords are not saved 2,939
How to make Firefox and websites go full screen 2,922
Firefox for Fire TV 2,889
How to fix preferences that won't save 2,830
Certificate contains the same serial number as another certificate 2,817
Managing Account Data 2,808
Clear recent searches from the Search bar 2,784
How to add, remove, edit and move bookmarks in Firefox for iOS 2,769
Organize Your Messages by Using Filters 2,737
Review Needed
Firefox add-on technology is modernizing 2,733
How to generate a secure password in Firefox 2,705
Websites show a spinning wheel and never finish loading 2,675
Thunderbird and Junk / Spam Messages 2,659
Review Needed
What is the winmail.dat attachment? 2,659
Firefox keeps crashing at startup 2,614
How to change the Thunderbird layout 2,601
Review Needed
Hide or display content in New Tab 2,578
Archived Messages 2,575
How to search the contents of the current page for text or links 2,565
Websites look wrong or appear differently than they should 2,543
Switch from POP to IMAP account 2,507
Pinned Tabs - keep favorite websites open and just a click away 2,464
Installing an Add-on in Thunderbird 2,453
Unable to install add-ons (extensions or themes) 2,431
Send plugin crash reports to help Mozilla improve Firefox 2,390
IMAP Synchronization 2,366
How do I use the Firefox spell checker? 2,363
Review Needed
unable launch older version on profile 2,353
Review Needed
Manage passwords on Firefox desktop with Firefox Lockwise 2,340
How to create and use mailing lists on Thunderbird 2,331
Custom installation of Firefox on Windows 2,321
Which version of Firefox am I using? 2,316
Firefox takes a long time to start up 2,315
Disable or re-enable Pocket for Firefox 2,282
Clear browsing history in Firefox for iOS 2,262
Config Editor 2,257
Review Needed
How to Silently Install/Uninstall Firefox for Enterprise 2,237
Scan QR codes in Firefox for Android 2,232
Setting Firefox as the default browser does not work - What to do 2,224
Change the program used to open email links 2,213
Add trusted websites to your allow list in Firefox Focus 2,211
Review Needed
Is Mozilla VPN free? 2,204
Review Needed
Reset your Primary Password if you've forgotten it 2,200
Collections in Firefox 2,198
Get started with Firefox Lite 2,190
Digitally Signing and Encrypting Messages 2,183
How to turn on Mozilla VPN on your desktop computer 2,180
Firefox does not work - Common fixes to get you back up and running 2,164
Firefox for Echo Show 2,145
Sort your bookmarks to quickly find the ones you want 2,142
Sync logins in Firefox for iOS 2,138
Add a secondary email address to Firefox Accounts 2,135
Dedicated profiles per Firefox installation 2,128
Accessibility features in Firefox - Make Firefox and web content work for all users 2,081
Review Needed
Fix problems connecting to websites after updating Firefox 2,078
Autocomplete web addresses in the URL bar in Firefox Focus for iOS 2,065
Blocking a sender 2,054
New in Thunderbird 38.0 2,049
Firefox Lockwise and Privacy 2,032
How to reset the default user agent on Firefox 2,010
How to save a web page 1,992
Customizing Firefox Using policies.json 1,977
Review Needed
Installing Thunderbird on Mac 1,958
Manage saved passwords in Firefox for Android 1,942
Display the Thunderbird menus and toolbar 1,938
Set Firefox as the default browser for iOS 1,930
Add the Search bar to your Firefox toolbar 1,928
Fix problems with Facebook games, chat and more 1,893
Thunderbird and Yahoo 1,885
Rate your Firefox experience, surveys and out of date messages (Heartbeat) 1,850
Add-ons that cause stability or security issues are put on a blocklist 1,847
Thunderbird and Hotmail 1,846
Sync logins in Firefox desktop 1,825
Telemetry collection and deletion 1,760
How to download Mozilla VPN on your desktop or mobile device 1,711
WebXR Permission Info Page 1,702
Review Needed
Enhanced Tracking Protection in Firefox for iOS 1,682
Importing Safari data into Firefox 1,680
Remove a toolbar that has taken over your Firefox search or home page 1,675
Share data with Mozilla to help improve Firefox 1,675
Firefox repeatedly opens empty tabs or windows after you click on a link 1,654
Firefox Sync troubleshooting and tips 1,644
Tracking Protection on Firefox Focus for iOS 1,634
How to install Firefox for Echo Show 1,630
Automatically close Private Tabs when leaving Private Browsing 1,605
Customizing Firefox Using AutoConfig 1,587
Review Needed
Some videos won't play in background 1,575
Use bookmarklets to quickly perform common web page tasks 1,566
Export bookmarks to Safari 1,556
Message threading in Thunderbird - keep messages grouped by conversation 1,527
Firefox Lockwise - Managing account data 1,491
Add search engines in Firefox Focus for iOS 1,483
Review Needed
Save web pages for later with Pocket for Firefox 1,474
Hyperlinks in Messages Not Working 1,470
I've lost my Firefox Sync account information - What to do 1,433
How do I choose what types of information to sync on Firefox? 1,423
Review Needed
Use tabs to organize lots of websites in a single window 1,413
What is the Mozilla Maintenance Service? 1,370
Why is there an OpenH264 plugin in Firefox? 1,361
Firefox's protection against fingerprinting 1,357
How to Subscribe to News Feeds and Blogs 1,354
Add web page shortcuts to your Home screen 1,350
Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix 1,334
Adobe Flash plugin has crashed - Prevent it from happening again 1,325
Sending and Receiving Messages on Thunderbird 1,320
Review Needed
Search suggestions in Firefox Focus for iOS 1,298
Review Needed
Keyboard Shortcuts for Searching 1,296
Add a search engine to Firefox Focus for Android 1,291
Download photos and files on Firefox for iOS 1,257
What happened to my Live Bookmarks? 1,255
Get started with Mozilla VPN 1,254
How do I choose my server/connection on Mozilla VPN on my desktop or laptop computer? 1,238
Add, delete and view bookmarked webpages in Firefox for Android 1,227
Information for EU, EEA, Swiss and California users 1,208
Compacting folders 1,203
Firefox Enterprise Kiosk mode 1,202
Use the Firefox Sidebar to access bookmarks, history and synced tabs 1,181
Manage extension shortcuts in Firefox 1,180
How do I delete my Firefox Account? 1,178
How to turn on the Mozilla VPN on Android 1,177
View synced tabs from other devices 1,169
Review Needed
Create secure passwords to keep your identity safe 1,164
How to use collections on 1,163
Receive tabs on Firefox for Fire TV 1,156
Move the navigation bar to the top or bottom of the app in Firefox for Android 1,120
About Studies 1,113
Add a login to Firefox Lockwise for desktop 1,109
Review Needed
Use mouse shortcuts to perform common tasks in Firefox 1,106
Review Needed
How do I create a screenshot of my problem? 1,098
Change your Firefox Accounts password 1,091
Disable Firefox Sync 1,086
Changes to toolbars and window sizes are not saved 1,081
What is the Mozilla VPN kill switch? 1,063
Firefox Lite Turbo Mode 1,060
Configuration Options for Accounts 1,057
Safe Mode Thunderbird 1,053
Built-in themes in Firefox - alternative to complete themes 1,043
Changing IMAP to POP 1,028
Using Dark Theme in Firefox for Android 1,023
Firefox starts automatically when I restart Windows 1,014
How to switch from 32-bit to 64-bit Firefox 1,003
How do I change to the desktop view in Firefox for Android? 1,001
How Firefox securely saves passwords 997
Install themes to change the look of Thunderbird 996
Review Needed
Rebuilding the Global Database 995
How do I tell if I have the 32-bit or 64-bit Firefox? 990
Wrong home page opens when I start Firefox - How to fix 982
Configuring Networks to Disable DNS over HTTPS 981
Add a Firefox widget to your Home screen 976
Review Needed
Managing Firefox Updates 972
Review Needed
Calendar updates issues with Thunderbird 968
Customize Firefox Home on iOS 965
Addressing an Email 964
How to turn the Mozilla VPN on for iOS 962
Feed reader replacements for Firefox 957
Thunderbird add-ons - frequently asked questions 948
Review Needed
Primary Password is replacing Master Password 946
Firefox Reality for VR headsets 945
Review Needed
How to add a shortcut to a website on Android 945
Review Needed
Is Firefox available for iPhone or iPad in my language? 915
I found a fake Firefox update 914
Review Needed
Firefox Monitor 912
Certificate Pinning Reports 910
Sponsored Top Sites 900
Playing 4K (Ultra-High Definition) YouTube videos in Firefox 894
Switching the folder pane view 882
Make Thunderbird the Default Mail Client 870
Firefox ESR release cycle 868
Bookmark Tags - Categorize bookmarks to make them easy to find 856
What is Pocket? 844
Review Needed
Install Firefox Reality 843
Edit or delete a login in Firefox Lockwise on desktop 831
Sign up for Pocket with your Firefox Account 829
DNS-over-HTTPS (DoH) FAQs 820
Firefox is stuck in Safe Mode 817
Firefox Private Network extension - browse securely on public Wi-Fi 802
Assign shortcuts to search engines 800
Remove a synced device from Firefox Accounts 798
Save to (or bookmark) and remove links from your home screen 795
Review Needed
Where to find release notes for Firefox for Enterprise 783
Protect your Thunderbird passwords with a Master Password 777
Search open tabs in Firefox 770
Mozilla Crash Reporter 769
About Firefox Desktop Attribution 766
How to search IMDB, Wikipedia and more from the address bar 761
New in Thunderbird 68.0 759
Enable auto-fill on your iPhone or iPad 757
Review Needed
Scan QR codes in Firefox for iOS 751
How to Use Attachments 750
Legacy browser support extension for Windows 747
Thunderbird FAQ 745
The difference between IMAP and POP3 742
Review Needed
Deploying Firefox on MacOS using PKG and Jamf 737
Review Needed
Vacation Response 729
Viewing Desktop Sites on Firefox iOS 728
Manage bookmark folders in Firefox for Android 727
Mute sound in Firefox tabs 722
Review Needed
How to update add-ons 719
What is plugin-container 705
Ad blocking in Firefox Focus for Android 704
Lockwise losing login information after Firefox update 698
How to disable the Enterprise Roots preference 696
Resize the Firefox Reality window to full screen or focus view 693
Review Needed
How can I get the latest version of Thunderbird on Windows XP or Vista? 690
Re-enable add-ons that were disabled when updating Firefox 688
FAQ Changing IMAP to POP 656
What to do when searches take you to the wrong search website 655
I forgot my password for Firefox Account and I can't log into the VPN or Private Network 651
Firefox doesn't save web form entries 640
Twitter isn't working on Firefox 638
How to cast YouTube videos on Firefox for Fire TV 637
Managing Firefox with Microsoft Endpoint Manager (Intune) 637
Deploying Firefox with extensions 635
Global Search 619
Firefox keeps asking me for Primary Password 618
How to fix the Update Failed error message when updating Firefox 618
Problems with email and how to find help 618
Quick Filter Toolbar 616
Will Mozilla VPN work on my computer or phone? 612
How to install/uninstall the Firefox Private Network extension 610
What do the SSLv3 error messages mean on Firefox? 608
Exporting and sharing a calendar 606
Home page with pipe character opens extra tabs when Firefox starts 601
Can I choose or change my IP address on Firefox Private Network? 596
Configuration Options for Attachments 590
How to Install and Use another Language in the Dictionary on Thunderbird 590
Find what version of Thunderbird you are using 577
Lockwise asks for authentication (password, voice, face or fingerprint) when accessing passwords 575
Firefox Simplify Page for clutter-free printing 573
Cannot delete messages 571
How do I know the status of my sync? 567
How do I cancel my subscription to Mozilla VPN? 565
Uninstall Thunderbird from your computer 563
Manage saved passwords in Firefox for iOS 558
How to Customize Toolbars 557
Message List Columns 554
View articles in Reader View on Firefox for Android 552
Review Needed
Creating New Calendars 550
Review Needed
Supported Platforms and System Requirements 540
Review Needed
Advanced panel - System, network, updates, and other advanced settings in Thunderbird 531
Unify your POP email accounts with a global inbox 528
Dedicated profile per Thunderbird installation 527
Netflix, Hulu, Disney+ or Prime error after installing Firefox version 84 on Mac 527
Open a new tab in Firefox Focus for Android 525
Review Needed
Your Library - Find bookmarks, history and reading list on Firefox for iOS 523
Send a tab from Firefox for iOS to another device 521
Firefox Notes status 520
How can I send a large attachment? 520
Forget button - quickly delete your browsing history on Firefox 517
How much does Firefox Private Network cost? 515
Access hidden tabs in Firefox 508
Review Needed
Getting started with the Firefox for Android tablet browser 507
Maildir in Thunderbird 506
Firefox says it's just updated every time it starts - how to fix 503
Enable auto-fill on your Android devices 502
Review Needed
Hubs in-room experience 500
How to Customize the New Mail Sound 496
Use voice commands with Firefox for Echo Show 496
Message Tags - Categorize your email in Thunderbird 470
Thunderbird support has ended for Mac OS X 10.6, 10.7 and 10.8 468
Instant Messaging and Chat 465
Review Needed
Using a Primary Password with Sync 463
Enforcing policies on Firefox for Enterprise 462
Firefox for Enterprise 78 - Release notes 455
Review Needed
How to use a Virtual Card (vCard) 451
Change your default search engine in Firefox for iOS 445
Grant camera access to Firefox for Android 442
How to disable or change the Thunderbird start page 442
Set up a passcode and Touch ID in Firefox 439
Changing calendar preferences 436
How does Firefox for Android use the permissions it requests? 435
Review Needed
Access your add-ons with Firefox Accounts 432
Flash videos won't play full screen 432
Set Firefox for Android to open links in native apps 431
Add the Firefox Search widget to your home screen 430
Use Web Apps with Firefox for Android 421
Make Firefox for Enterprise the Default Browser 419
Adding a holiday calendar 416
Accessibility not available during multi-process support 415
How to hide Pocket in your new Firefox tab 414
How to replace Google Assistant with a Firefox search 413
Review Needed
Add-on signing in Firefox for Android 412
Review Needed
Firefox release notes - What's new and known issues 411
Private Mode in Firefox Reality 406
Review Needed
Switch to desktop view on Firefox Focus for Android 406
Review Needed
Live Bookmarks - Subscribe to a web page for news and updates 404
Play videos full screen on Firefox for Android 404
Auto-close open tabs in Firefox for Android 402
Review Needed
Using Identities 402
Lastpass was disabled after updating Firefox 400
Turn on/off saved logins, login sync and login autofill in Firefox for Android 396
What's new in Firefox Klar for iOS (version 8) 392
Review Needed
Extensions Disabled by Mozilla in October 2019 391
Avoid crashes - Tips and tricks 390
Managing registered devices on Mozilla VPN 389
Uninstall Firefox for Android 389
Uninstall Firefox for iOS 388
Thunderbird Crashes 386
Creating a new event or task 379
Get started with Hubs by Mozilla 378
Firefox Focus for Android - Frequently asked questions 376
Thunderbird Software Update Failed 375
Send text or multimedia messages from Firefox for Android 374
Set Firefox Focus as default browser on Android 365
Review Needed
Firefox for Enterprise 84 - Release notes 359
How to remove the Babylon toolbar, home page and search engine 359
Install Firefox Lockwise on Android 359
Changing your two-step authentication device for your Firefox Account 357
Review Needed
Change to desktop view on Firefox for Fire TV 356
Lightning User Interface 356
Thunderbird and AT&T 355
Configuring Lightning 354
Help, I still have questions about Mozilla VPN 349
Restore the default Smart Bookmarks Folders 342
How do I turn Firefox Private Network on or off? 341
Security panel - Junk, scam, antivirus, and password settings in Thunderbird 341
Changes affecting Adobe Flash on Firefox for Mac 338
Add shortcuts to websites on your home screen 332
I can’t play audio on a Remote Desktop Connection 328
In which countries is Mozilla VPN available to subscribe? 323
Troubleshoot issues related to add-ons 322
Navigation bar in Firefox for iOS 321
Tables - Format messages with rows and columns 321
The thumbnails on the New Tab page are missing - how to get them back 321
Set a homepage in Firefox for iOS 313
Autocomplete settings in the Firefox Focus address bar 311
Review Needed
Inviting Other People to Events 309
Using Voice Search in Firefox Reality 305
Review Needed
Mozilla Crash Reporter TB 303
Thunderbird Beta 302
Which devices can I use to join a Hubs room? 299
Change the default language on Firefox for iOS 296
Clear your search history in Firefox for Android 296
Search Firefox instantly on your Android home screen 294
How to use Spoke - Panels and Adding Elements 293
Search within a web page in Firefox for iOS 293
Thunderbird end of Support for XP and Vista 291
Use tabs in Firefox for iOS 290
Reporting extensions and themes for abuse 282
Getting started with the Thunderbird main window 281
Review Needed
How do I update my payment information on Mozilla VPN? 280
How is Firefox Enterprise different from normal Firefox? 279
Firefox ScreenshotGo - capture and organize screenshots 278
Are there limits to my Mozilla VPN connection? 275
Unable to download files in Windows 10 when Parental Controls are on 273
How to Use Find in Page for Firefox for Android 270
Deploying Firefox on Windows 267
Enable email invitations for CalDAV servers configured to do serverside scheduling 266
Sign in to Firefox Accounts on Fire TV 264
Delete sync data from Firefox by signing out of Firefox Accounts 261
How do I choose my VPN server/connection in iOS? 260
Log in to Pocket with your Firefox Account 260
Zoom in and out of websites on Firefox for Android 260
Review installed extensions 259
Hubs keyboard and mouse controls 257
Clear your cache without clearing your browsing history 255
Names but no Email Addresses are Displayed 255
What is search hijacking? 254
Creating a Newsgroup Account 253
Glossary of Terms including types of Accounts 253
Voice input in Firefox for Android 253
Manage notifications in Firefox for Android 252
Turn Turbo Mode off or on on Firefox for Fire TV 249
Disable high contrast mode in Firefox 248
See active policies on Firefox for Enterprise 248
Disable Firefox Sync on a lost phone or tablet 247
Review Needed
Add trusted sites to your allow list on Firefox Klar 233
Review Needed
Suspicious activity on my Firefox Account 233
Enable local device access in Mozilla VPN for Windows 232
Install Firefox Lockwise on iOS 231
Frequently asked questions - Firefox add-on technology is modernizing 230
Videos don't have sound on Citrix 225
Copy a saved password in Firefox for Android 222
Primary Password is replacing Master Password in Thunderbird 222
Where are my synced tabs in Firefox for iOS? 219
Firefox for Android no longer automatically downloads the Cisco OpenH264 plugin as of version 68 214
Frequently Asked Questions 214
Repackaging the Windows Installer 211
Use gestures in Firefox for Android 210
About Mozilla Ion 207
Debugging Mozilla VPN 207
How do I choose my Mozilla VPN server/connection on Android? 206
How do I know that the Firefox Private Network extension is on? 205
Disconnect your Firefox Account from Lockwise 203
Add web pages to your Reading List on Firefox for iOS 201
How do I share Firefox between people on a computer? 201
Firefox Better Web with Scroll 197
Review Needed
Customizing Firefox on MacOS using configuration profiles 196
View mobile bookmarks on your computer 193
Review Needed
How Firefox Sync keeps your data safe even if TLS fails 191
Access toolbar functions using the keyboard 187
Sync custom preferences 185
Why do I need a Firefox account to use Firefox Private Network? 182
Thunderbird and Comcast 179
Thunderbird’s Scam Detection 178
Review Needed
Can I use my screen reader with the new Firefox? 173
Change the default language of Firefox for Android 172
How do I cancel my subscription to Firefox Private Network? 172
Changes to the Tab context menu in Firefox 78 170
Lightbeam extension for Firefox is no longer supported 168
Turn search suggestions on or off on Firefox for iOS 167
Hubs controls 166
How to stay safe on the web 164
View web pages in Reader View 163
Change themes in Firefox for iOS 161
Manage Optional Permissions for Extensions 160
Where to go for developer support 156
Get Started with Spoke 155
Thunderbird and Logjam 155
How to fix Pocket login issues 154
Review Needed
Lobbies and rooms in Hubs 153
Clear cookies and site data in Firefox for Fire TV 151
Change to desktop view on Firefox Focus for iOS 149
How do I install X-Ray Goggles? 149
Share pages with Firefox from other browsers 149
Enable or disable search engines on Firefox for iOS 148
Night Mode in Firefox for iOS 147
Working with events 147
Unable to make video calls while Firefox Private Network is on 146
Firefox crashes - asking for support 145
Using Dark Theme in Firefox for iOS 145
Using Saved Searches 145
How do you use Google Firebase in Firefox? 143
Review Needed
How do you use Leanplum in Firefox? 143
Updating processor microcode 143
How do I share things from Firefox for Android? 140
Managing policies on Linux desktops 138
Send Tab from another mobile app to Firefox 136
Review Needed
Safe browsing in Firefox Focus 133
Review Needed
Facebook Container isn't working 132
Split tunneling - use Mozilla VPN with specific Android apps 132
Transfer information from the old to new Firefox for Android (Nightly or Beta) 132
Create an email alias through Firefox Relay 129
Web pages aren't displaying properly in Firefox for Android 129
Review Needed
I can't play videos or audio on Firefox for Android 5.0 (Lollipop) 126
Review Needed
How is Facebook Container different from Multi-account Containers? 124
Surf and watch videos on Firefox for Fire TV 121
AMO ( - Managing account data 120
Why Open Badges? 119
Remove a search engine in Firefox Focus for iOS 118
Review Needed
Identify noisy tabs in Firefox for Android 117
Review Needed
Setting Up Roaming Users Profiles 116
I can't take screenshots of some websites on Firefox Lite 115
Re-enable multi-process support disabled by Windows utilities 114
Mobile Accessibility Features 113
Access downloads in Firefox Lite 112
Turn push notifications on or off in Firefox for iOS 112
Change the default search in Firefox Focus on iOS 111
Deploying Firefox Customizations on macOS 111
Understanding in depth the profile per installation feature 111
Warning Unresponsive plugin - What it means and how to fix it 109
Why is each open Firefox tab showing up in the Windows volume mixer? 107
Change Firefox Lite to Night Mode 106
Hide Images in Firefox for iOS 106
Access the latest news from Firefox Lite 105
Activate Firefox Relay - hide your email address with an alias 105
Choosing a Firefox CPU architecture for Windows OS 105
Where can I find a list of policies for Firefox for Enterprise? 103
Review Needed
Playing videos or giving presentations in Hubs 101
Manage Flash in Firefox for Enterprise 100
Review Needed
Master password users- migrate your logins to the new Firefox for Android 100
Streaks, smeared lines or blurry web pages while scrolling on Firefox 100
Thunderbird Accessibility Features 100
Privacy panel - Remote content and cookie settings in Thunderbird 99
Changing the Date or Time of an Event 95
Edit top sites on Firefox Lite home screen 95
Block cookies in Firefox Focus for Android 94
Review Needed
Firefox keeps crashing on iPad/iPhone 93
Firefox tab crashes with Quick Heal security software 92
Unable to log in to websites that use signText on Firefox 92
Choose your avatar in Hubs 91
Capture screenshots using Firefox Lite 89
Install system add-ons on Firefox for Enterprise 89
Share your camera or screen in a Hubs room 89
Clear my cookies on Firefox for Echo Show 87
How do I request a refund for Mozilla VPN? 86
Scenes in Hubs 86
Page actions in Firefox Focus 84
Review Needed
Reorder tabs from tab view 84
How do I submit a bug for Firefox Sync? 83
Managing policies on OSX desktops 82
Change the default email program in Firefox for iOS 80
What is Firefox Klar for iOS? 79
Protecting Privacy while using Web Authentication 78
Firefox for Enterprise 79 - Release notes 76
Room capacity in Hubs 76
Review Needed
Firefox Sync takes too long to sync or send pages from my iPhone or iPad 75
Profiling Thunderbird Performance 75
Bookmark a page in Firefox Reality 74
Configuration Options for Identity 74
Get help with Firefox Developer Edition 74
Thunderbird makes unrequested connections 74
Open Search 73
Remove tiles from the Firefox for Echo Show home screen 73
Third-party trackers 73
Review Needed
Thunderbird and Sympatico 73
What is Firefox Klar for Android? 73
Best practices for installing and updating Firefox 72
Review Needed
Certificate warnings in Firefox for iOS 72
Review Needed
Change your default search on Firefox Focus for Android 72
Review Needed
Dangerous directories 72
How to Publish and Export Spoke Scenes 72
Uninstall Firefox for Android add-ons 71
Review Needed
Block add-ons in Firefox for Enterprise 69
Review Needed
Moderate rooms in Hubs 69
Add Firefox to the Today view on your iOS device 68
Creating a recurring event 65
How to send a crash report on Firefox for Android 65
Hubs - Managing account data 65
64-bit Firefox crashes with Citrix's XenApp VM 64
Remove a search engine in Firefox Focus for Android 64
Review Needed
Logging in through Firefox Lockwise on desktop 63
Discourse - Managing account data 62
Return to your Firefox for Fire TV home screen 62
Search suggestions in Firefox Focus for Android 61
Will location-aware browsing work with Firefox Private Network? 61
How to unpin Firefox from the taskbar in Windows 10 60
Is Firefox Private Network free? 60
Add Search Engine to Open Search 59
Review Needed
I can't find Firefox Focus in Germany, Austria or Switzerland 58
Splash Accounts - Managing Account Data 58
Using voice commands in Firefox for Amazon Fire TV 58
Review Needed
I can’t watch YouTube videos fullscreen on Firefox Lite 57
Privacy settings in Firefox for Enterprise 57
Review Needed
Firefox for Enterprise 83 - Release notes 56
Spoke Controls 56
Compatibility with Exploit protection in Windows 10 53
Where can I earn badges? 53
Drag and drop links and tabs to and from Firefox 52
Private Browsing in Firefox Lite 52
What permissions does Firefox Private Network request? 52
CCleaner is deleting Firefox extension settings in Firefox 79 50
Firefox is no longer available for download in the T-Store 50
How do I inspect and edit my first web page? 50
Review Needed
How to use Spoke - Toolbar 50
Telemetry collection- Windows default browser trends 50
Disable/delete an email alias on Firefox Relay 49
I can't install Facebook Container on Firefox 57+ 49
Common Voice Accounts - Managing Account Data 47
My privacy settings were changed from Custom to Standard 47
Mozilla Ion - Managing Account Data 45
Recover user data missing after Thunderbird update 45
DOM events changes introduced in Firefox 66 43
Firefox for Enterprise 81 - Release notes 42
Help, I still have questions about Firefox Private Network 42
How do you use Adjust in Firefox? 40
Hubs gamepad controls 40
Hubs oculus go and Samsung gear VR controls 40
Through the Looking Glass 40
How to create and join rooms in Hubs 39
Open and switch between multiple websites (multi-tab) 39
I can't take screenshots on Firefox Klar 38
Review Needed
Use Face ID or Touch ID on Firefox Focus for iOS 38
Your hardware is no longer supported by Thunderbird 38
"Certificate cannot be trusted" warning in Kazakhstan 37
How do I update the Firefox Private Network extension? 37
Hubs Oculus Touch controls 37
What are the limits to my Firefox Private Network connection? 37
Appcache is showing up as uncached or disabled 36
Review Needed
Firefox Election Bundle 36
Bugzilla - Managing account data 35
Help improve Firefox for Echo Show by sending usage data 35
Firefox Lite Content and Services 34
Thimble - Managing account data 34
What is a Mozilla Backpack? 34
Will policies I set work if users already installed Firefox? 34
Workaround to make Estonian Smartcards work in Firefox 76+ 34
Access games from Firefox Lite 33
Bookmark pages in Firefox Lite 33
Will I have to sign in to Firefox Private Network with the same Firefox Account as my browser? 33
File system paths on Linux are always treated as UTF-8 32
Firefox Lite enhanced search with Awesome bar 32
SUMO - Managing account data 32
Firefox Nightly Error Collection 31
Hubs windows mixed reality controls 31
Screenshot categories in Firefox Lite 31
Crash reporting in Firefox Reality 30
Does the Firefox Private Network extension work on other browsers? 30
How do I sign out of Firefox Private Network? 30
How do I become an issuer? 29
How to improve HKSCS localization on Firefox on Windows XP 29
Hubs touchscreen controls 29
Set Firefox as your default browser on Lockwise for iOS 29
Firefox Subprocessor List 28
Share a link to a room in Hubs 28
I'm having problems with some websites when I use Firefox Private Network 27
Troubleshooting Issues in Hubs 27
"Bad request" error on the Firefox Private Network extension 26
Clear browsing history from Firefox Lite 26
Firefox for Enterprise 80 - Release notes 26
Hubs Google Daydream controls 26 - Managing account data 26
Share your Android device with a Firefox Guest Session 26
Disconnect your Firefox Account from Fire TV 24
MDN - Managing account data 24
What is X-Ray Goggles? 24
Browse faster by blocking images in Firefox Lite 23
Crash on Broadwell-U with old microcode 22
In what countries will the Firefox Private Network extension be available? 22
Pocket sponsored content in open tabs 22
Open a new tab in Firefox Klar 21
Review Needed
Test versions of Firefox for your organization 21
Which browsers work with Firefox Private Network? 21
Snippets in Firefox - Frequently Asked Questions 20
How to contact the Mozilla Foundation donations team 19
Moderator - Managing account data 19
Use Face ID or Touch ID on Firefox Klar 19
What is a badge? 18
Access popular sites from Firefox Lite 17
Cliqz Recommendations in Firefox 17
What is Mozilla's Open Badges project? 17
Will Firefox Private Network slow down my browser? 17
Debugging policy issues 16
Review Needed
Firefox Private Network crashes when I send files over an encrypted file transfer 16
MozReps - Managing account data 16
What's new in Firefox Lite (version 2.5) 16
Where can I go for technical help? 16
Where do I find developer resources for Hubs? 16
GeckoView in Firefox Focus 15
How can I personally display Open Badges? 15
Pontoon - Managing account data 14
Add room moderators 13
How can I help by submitting mobile performance data? 13
Change Firefox Lite themes 12
Firefox for Enterprise 82 - Release notes 12
How do I save a room to my favorites? 12
Price Tracker is retiring 12
Find words on a page in Firefox Focus for Android 11
Review Needed
Firefox Lite: What vendors do you use that could receive my data? 11
Hubs Vive controls 11
What is Thimble? 11
How do I share the badges I've earned? 10
What is the Open Badges Infrastructure? 10
Ad blocking in Firefox Klar for Android 9
Find words on a page in Firefox Focus for iOS 9
Review Needed
Hide the back, forward, reload, bookmark button in the right click context menu 9
Change your Preferences in Hubs 8
Drag links to and from Firefox Focus 8
How do I close a room in Hubs? 8
What is BadgeKit? 8
Who is BadgeKit for? 8
How can I get help with my Thimble project? 7
How can I use Thimble to teach myself to code? 7
Is there Open Badges research available? 7
What is included in BadgeKit? 7
How do I create a project with multiple files? 6
Is BadgeKit ready now? 6
Mute room members in Hubs 6
Am I really hacking a web page? 5
Firefox for Enterprise 85 - Release notes 5
Perform price comparisons in Firefox Lite 5
Why do I see a message asking if I want to see the page hosted on HTTPS? 5
Are all my badges public? 4
Block cookies in Firefox Klar for Android 4
Can I print a tip sheet with X-Ray Goggles shortcuts for an event? 4
Change room name in Hubs 4
Change your default search on Firefox Klar for Android 4
How can I insert a selfie into my Thimble project? 4
How do I add code comments to a Thimble project? 4
How does my organization become a displayer of Open Badges? 4
How to kick out a room member in Hubs 4
How to Unsubscribe from a Mozilla newsletter, such as Firefox & You 4
Ideascale - Managing account data 4
Search suggestions in Firefox Klar for iOS 4
Review Needed
What is Mozilla BadgeKit? 4
What's new in Firefox Klar for Android (version 9) 4
Where is technical documentation for BadgeKit? 4
Deceased or incapacitated account management FAQ 3
Managing Firefox Enterprise 3
Travel deals and guides in Firefox Lite 3
Use Multiple Mozilla Windows for Multitasking 3
Where can I go for Open Badges support? 3
Change the default search in Firefox Klar on iOS 2
Do I need an account to publish a project using Thimble? 2
Do I need an account to publish a project using X-Ray Goggles? 2
Find words on a page in Firefox Lite 2
Formatting problems caused by 8bit MIME 2
GeckoView in Firefox Klar 2
How can I share my Thimble projects? 2
How can I use Thimble in my classroom or out-of-school learning environment? 2
Open Badges Calls 2
Set Firefox Klar as your default browser 2
Where can I find community research on Open Badges? 2
Who else is issuing Open Badges? 2
Change to desktop view on Firefox Klar for iOS 1
Drag links to and from Firefox Klar 1
How do I report a Thimble bug? 1
Managing Thunderbird Updates 1
Permission request messages for Thunderbird extensions 1
PGP Integration in Thunderbird 78 1
Reader View for iOS 1
What's new in the August 31, 2015 release? 1
Why did we create Mozilla BadgeKit? 1
Can I create a single account for all of the students in my classroom to use?
Change to desktop view on Firefox Klar for Android
Review Needed
Find words on a page in Firefox Klar for Android
Review Needed
Find words on a page in Firefox Klar for iOS
Review Needed
Finding Firefox Preference Names
Firefox Klar for Android - Frequently asked questions
Review Needed
Get involved with the Open Badges Community
How can I access projects I made with an older version of Thimble?
How can I contribute to the Thimble project?
Review Needed
How can I get help with my X-Ray Goggles project?
How do I embed a tutorial into my Thimble project?
Remove the Other Bookmarks folder from the Bookmarks Toolbar
Search suggestions in Firefox Klar for Android