Most Visited

Article Visits Status
New in Thunderbird 45.0 3,863,300
Get started with Firefox - An overview of the main features 3,641,491
What does "Your connection is not secure" mean? 1,393,911
Refresh Firefox - reset add-ons and settings 1,184,240
Update Firefox to the latest version 853,270
What's new in Firefox for iOS (version 4.0) 684,183
How does built-in Phishing and Malware Protection work? 669,833
Delete browsing, search and download history on Firefox 593,173
Page Info window - View technical details about the page you are on 502,608
Add-on signing in Firefox 443,635
Avoid crashes - Tips and tricks 407,371
New in Thunderbird 38.0 336,082
Send plugin crash reports to help Mozilla improve Firefox 203,446
About Tiles in New Tab 201,942
Startup, home page, tabs, and download settings 196,984
What's new in Firefox for iOS (version 3.0) 193,185
Private Browsing on Firefox for Android 181,720
Web Push notifications in Firefox 160,700
Why do I have to click to activate plugins? 141,250
Using Tabs on Firefox for Android 135,190
Install the Flash plugin to view videos, animations and games 129,823
Private Browsing - Use Firefox without saving history 126,529
Find and install add-ons to add features to Firefox 118,710
Mixed content blocking in Firefox 108,200
Watch DRM content on Firefox 107,718
Clear your browsing history and other personal data on Firefox for Android 102,939
How to download and install Firefox on Windows 102,407
Install Firefox on Linux 100,879
Pop-up blocker settings, exceptions and troubleshooting 97,812
Keyboard shortcuts - Perform common Firefox tasks quickly 95,985
Troubleshoot the "Secure Connection Failed" error message 95,338
How to set the home page 95,313
Search suggestions in Firefox 91,945
Advanced panel - Accessibility, browsing, network, updates, and other advanced settings in Firefox 89,626
Manage your Top Sites in Firefox for Android 86,742
Profiles - Where Firefox stores your bookmarks, passwords and other user data 85,250
How to clear the Firefox cache 80,857
Tracking Protection in Private Browsing 76,317
Flash Plugin - Keep it up to date and troubleshoot problems 73,242
Warning Unresponsive script - What it means and how to fix it 70,381
Adobe Flash protected mode in Firefox 70,158
Enable and disable cookies that websites use to track your preferences 68,938
Cookies - Information that websites store on your computer 61,790
Filelink for Large Attachments 57,853
Firefox hangs or is not responding - How to fix 57,843
Settings for web content, pop-ups, fonts, and languages 57,424
Make Firefox your default browser 56,926
Install an older version of Firefox 54,774
How to download and install Firefox on Mac 53,547
Password Manager - Remember, delete, change and import saved passwords in Firefox 53,098
Adobe Flash plugin has crashed - Prevent it from happening again 50,217
Delete cookies to remove the information websites have stored on your computer 49,975
Troubleshoot Firefox issues using Safe Mode 49,869
Use the Java plugin to view interactive content on websites 49,478
Firefox is slow - How to make it faster 48,286
Use the Search bar in Firefox 48,225
Private Browsing in Firefox for iOS 47,356
How do I set up Sync on my computer? 47,159
Restore bookmarks from backup or move them to another computer 46,357
Customize the New Tab page 45,051
Use the Profile Manager to create and remove Firefox profiles 44,183
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems 43,792
Disable or remove Add-ons 40,884
Find what version of Firefox you are using 37,116
Reset Firefox preferences to troubleshoot and fix problems 36,261
Firefox crashes - Troubleshoot, prevent and get help fixing crashes 35,384
Update to the latest version of Firefox for Android 35,160
Review Needed
How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites 34,289
Troubleshoot Firefox issues caused by malware 34,032
Firefox uses too much memory (RAM) - How to fix 33,825
How do I tell if my connection to a website is secure? 33,362
Upgrade your graphics drivers to use hardware acceleration and WebGL 33,229
Tracking Protection in Firefox for Android 32,354
Troubleshoot and diagnose Firefox problems 31,149
Configuration Editor for Firefox 30,822
Security and passwords settings 29,851
View synced tabs from other devices 29,069
Websites don't load - troubleshoot and fix error messages 28,939
Moving Thunderbird Data to a New Computer 28,859
Awesome Bar - Search your Firefox bookmarks, history and tabs from the address bar 28,462
Back up and restore information in Firefox profiles 28,420
Export Firefox bookmarks to an HTML file to back up or transfer bookmarks 27,836
Customize Firefox controls, buttons and toolbars 27,789
Profiles TB 27,340
Use plugins to play audio, video, games and more 27,205
Control Center - manage site privacy and security controls 26,962
Settings for privacy, browsing history and do-not-track 26,811
Recovering important data from an old profile 26,500
Firefox uses too many CPU resources - How to fix 26,129
Will Firefox work on my mobile device? 24,595
Applications panel - Set how Firefox handles different types of files 23,601
What's new in Firefox for iOS 2.0 23,324
Create bookmarks to save your favorite webpages 22,854
Fix common audio and video issues 22,409
View PDF files in Firefox without downloading them 22,238
Uninstall Firefox from your computer 22,136
How do I turn on the Do Not Track feature? 22,052
Hide or display Tiles in New Tab 21,895
Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems 21,050
Restore previous session - Configure when Firefox shows your most recent tabs and windows 20,834
Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window 20,719
Import bookmarks from Google Chrome 20,592
How to run Firefox when your profile is missing or inaccessible 19,610
Firefox can't load websites but other browsers can 19,531
Recover lost or missing Bookmarks 19,271
Websites say cookies are blocked - Unblock them 19,211
How can I get the latest version of Firefox on Windows XP or Vista? 18,956
Font size and zoom - increase the size of web pages 18,777
Server Not Found - Troubleshoot connection problems 18,548
"This Connection is Untrusted" error message appears - What to do 18,444
Firefox won't start - find solutions 18,033
Create a desktop shortcut to a website 17,860
How do I watch Flash videos with Firefox for Android? 17,752
Use themes to change the look of Firefox 17,412
How to allow Java on trusted sites 17,326
What do the SSLv3 error messages mean on Firefox? 17,157
What happened to the File, Edit, and View menus? 16,825
Ignoring threads 16,587
Add-ons that cause stability or security issues are put on a blocklist 16,256
Thunderbird and Gmail 16,252
Play Windows Media files in Firefox with the Windows Media plugin 16,116
Manual Account Configuration 16,086
JavaScript settings and preferences for interactive web pages 16,036
Firefox Health Report - understand your browser performance 15,924
Signatures 15,646
How to change your default browser in Windows 10 15,603
Firefox menu icon is missing on Android - how to access the menu 15,285
Install Firefox on your iPad, iPhone or iPod 15,165
Use the Troubleshooting Information page to help fix Firefox issues 14,919
Installing Thunderbird on Windows 14,918
Import Bookmarks and personal data from another browser 14,901
Use the QuickTime plugin to play audio and video 14,699
Import Bookmarks from Internet Explorer 14,673
Change your default search settings in Firefox 14,635
Use the Silverlight plugin to play audio and video 14,377
Forget button - quickly delete your browsing history on Firefox 13,854
Fix printing problems in Firefox 13,582
Change what Firefox does when you click on or download a file 13,533
Installing Thunderbird 13,412
Use the Adobe Reader plugin to view or download PDF files 13,403
Install Firefox on an Android device using Google Play 13,210
Sync bookmarks, tabs, history and passwords on Android 12,880
Where to find and manage downloaded files in Firefox 12,533
Remote Content in Messages 12,265
Control whether Firefox automatically fills in forms 12,047
What to do if you can't download or save files 11,980
Remove a toolbar that has taken over your Firefox search or home page 11,688
Usernames and passwords are not saved 11,483
Block and unblock websites with parental controls on Firefox 11,193
Fix problems that cause images to not show 11,068
Switching to Thunderbird 10,924
Import Bookmarks from an HTML file 10,847
Configure firewalls so that Firefox can access the Internet 10,647
Flash videos won't play full screen 10,619
Using Lightning with Google Calendar 10,489
Use Firefox for Android to send videos to your Roku 10,468
How to fix preferences that won't save 10,421
Add or remove a search engine in Firefox 10,280
Automatic Account Configuration 10,208
Firefox takes a long time to start up 9,997
How do I delete a bookmark? 9,914
Make Firefox the default browser on Android 9,863
Configure Windows Firewall to allow Firefox access to the Internet 9,840
Warning Unresponsive plugin - What it means and how to fix it 9,808
Unable to install add-ons (extensions or themes) 9,515
Use Firefox for Android to send videos to Chromecast 9,488
Send anonymous usage data from Firefox on mobile devices 9,444
Set up a passcode and Touch ID in Firefox 9,083
How to print web pages in Firefox 9,043
Firefox does not work - Common fixes to get you back up and running 8,848
"Firefox is already running but is not responding" error message - How to fix it 8,736
Add Firefox to the Today view on your iOS device 8,468
Tab preferences and settings 8,256
Set Adobe Flash to "click to play" on Firefox 8,214
I'm having problems with my Firefox Account 8,149
HTML5 audio and video in Firefox 8,083
How do I restore my tabs from last time? 8,047
Firefox Hello - video and voice conversations online 8,040
Use bookmark folders to organize your bookmarks 7,971
Installing Thunderbird on Linux 7,885
Disable third-party cookies in Firefox to stop some types of tracking by advertisers 7,680
Using Multiple Profiles 7,533
How to make Firefox and websites go full screen 7,338
What to do if Firefox won't play any sounds 7,328
Manage my default search engines in Firefox for Android 7,307
Change the Default Language 7,157
Firefox keeps crashing at startup 7,148
Mute sound in Firefox tabs 7,107
Which version of Firefox am I using? 7,088
Import Internet Explorer Favorites from another computer 6,925
Wrong home page opens when I start Firefox - How to fix 6,890
Fix problems with Facebook games, chat and more 6,886
Cannot receive messages 6,791
Add-on signing in Firefox for Android 6,788
Mixed content blocker in Firefox for Android 6,785
How do I copy and paste text on Android? 6,567
Fix problems connecting to websites after updating Firefox 6,552
Updating Thunderbird 6,505
How to disable the built-in PDF viewer and use another viewer 6,477
Cannot Send Messages 6,452
Cannot remove an add-on (extension or theme) 6,445
What is the Mozilla Maintenance Service? 6,389
Can't add, change or save bookmarks - How to fix 6,327
Firefox's default home page has quick links to common features 6,300
Websites look wrong or appear differently than they should 6,247
Setting Firefox as the default browser does not work - What to do 6,087
How do I use the Firefox spell checker? 6,061
Voice input in Firefox for Android 6,021
Fix login issues on websites that require a username and password 6,020
Websites show a spinning wheel and never finish loading 5,993
Set a home page on Firefox for Android 5,989
Keyboard Shortcuts TB 5,965
Organize Your Messages by Using Filters 5,843
Blocking a sender 5,833
Thunderbird and Hotmail 5,783
Firefox and other browsers can't load websites 5,750
Where are my logins stored? 5,589
How to search the contents of the current page for text or links 5,581
Access Mozilla Services with Firefox Accounts 5,568
Firefox Sync troubleshooting and tips 5,507
Tab Groups feature discontinued 5,503
I'm having problems confirming my new Firefox Account 5,481
Clear browsing history and cookies 5,412
How do I change my Mac Security Settings so I can open Firefox Marketplace apps? 5,401
Change the fonts and colors websites use 5,398
Installing Firefox for Android on an Amazon Kindle Fire 5,327
Firefox repeatedly opens empty tabs or windows after you click on a link 5,319
Change the program used to open email links 5,304
Use the Firefox interface in other languages with language packs 5,297
Clear recent searches from the Search bar 5,255
Use a Master Password to protect stored logins and passwords 5,061
Thunderbird and Junk / Spam Messages 5,029
How to stop Firefox from making automatic connections 5,013
What is the winmail.dat attachment? 4,942
Firefox no longer works with some versions of Windows XP 4,685
Reset your Master Password if you've forgotten it 4,683
Installing Thunderbird on Mac 4,622
Sort your bookmarks to quickly find the ones you want 4,588
Where is the "Pocket for Firefox" button? 4,583
Search the web from the address bar 4,520
What happened to the Add-on Bar? 4,491
I've lost my Firefox Sync account information - What to do 4,468
Digitally Signing and Encrypting Messages 4,464
Secure Website Certificate 4,453
What is plugin-container 4,409
Pinned Tabs - keep favorite websites open and just a click away 4,383
Configuration Options for Viewing Messages 4,363
How to save a web page 4,320
Re-enable add-ons that were disabled when updating Firefox 4,299
Fix video and audio playback problems on Firefox for Windows 4,294
Addressing an Email 4,281
Mozilla Crash Reporter 4,242
Firefox Reader View for clutter-free web pages 4,207
Master Password 4,183
Create secure passwords to keep your identity safe 4,162
Export bookmarks to Internet Explorer 4,121
IMAP Synchronization 4,101
Navigation buttons like back, home, bookmarks and reload are missing 4,098
Sending and Receiving Messages on Thunderbird 4,066
How to remove the Babylon toolbar, home page and search engine 3,971
Clear browsing history in Firefox for iOS 3,956
Add, delete and view bookmarked webpages in Firefox for Android 3,845
Archived Messages 3,838
Using the Lightning Calendar Add-on 3,815
Hyperlinks in Messages Not Working 3,792
Live Bookmarks - Subscribe to a web page for news and updates 3,787
Firefox Health Report says your browser is running slower than usual 3,781
Make Thunderbird the Default Mail Client 3,754
Block websites from storing site preferences or login status in Firefox 3,744
How to create and use mailing lists on Thunderbird 3,738
Sync your Firefox bookmarks and browsing history in iOS 3,516
Vacation Response 3,508
How do I tell if I have the 32-bit or 64-bit Firefox? 3,484
Save web pages for later with Pocket for Firefox 3,433
Configuration Options for Folders 3,410
Standalone address book 3,375
What happened to the Status Bar? 3,269
How to fix the Update Failed error message when updating Firefox 3,213
How to turn off Java applets 3,210
How does Firefox for Android use the permissions it requests? 3,097
Remove websites from the Awesome Bar suggestions 3,075
How do I choose what types of information to sync on Firefox? 3,069
Add social features to the Firefox sidebar 3,063
Avoiding Quota Limits on Mail Servers 3,035
Switch from POP to IMAP account 2,983
Firefox no longer works with Mac OS X 10.5 2,950
Firefox Hello can't access my camera or microphone 2,899
New Email Address 2,883
Accessibility features in Firefox - Make Firefox and web content work for all users 2,869
Share telemetry data with Mozilla to help improve Firefox 2,851
Keyboard Shortcuts for Searching 2,837
Tips to protect your online privacy 2,825
Firefox Marketplace Apps Stop Working on Firefox 48+ for Windows, Mac, and Linux 2,821
Creating New Calendars 2,815
Fix "The bookmarks and history system will not be functional" error message 2,808
Display the Thunderbird menus and toolbar 2,755
Add Security Exception 2,746
The Add-on Bar gives you quick access to add-on features 2,739
Open links in the background for later viewing with Firefox for Android 2,732
Configuration Options for Updates 2,676
Getting started with the Firefox for Android tablet browser 2,665
Unable to access secure (HTTPS) sites in Firefox 43 2,654
Marketplace apps for Firefox Desktop 2,649
Installing Lightning into Thunderbird 2,625
Firefox Health Report - understand your Android browser performance 2,591
Safe Mode Thunderbird 2,559
Export bookmarks to Safari 2,524
How can I get the latest version of Thunderbird on Windows XP or Vista? 2,513
How to sync your add-ons with another copy of Firefox 2,468
Get started with Firefox for Android 2,402
How do I create a screenshot of my problem? 2,395
Open Search 2,377
Review Needed
Use tabs to organize lots of websites in a single window 2,321
Message List Columns 2,292
WhatsApp alternatives - Firefox OS 2,254
Exporting and sharing a calendar 2,252
How to Subscribe to News Feeds and Blogs 2,233
Is Firefox available for iPhone or iPad in my language? 2,219
Config Editor 2,209
Add-Ons and Extensions FAQ 2,172
Focus by Firefox 2,171
Send text or multimedia messages from Firefox for Android 2,157
How to reset the default user agent on Firefox 2,143
Use popular search suggestions in the Firefox Search bar 2,113
FAQ Changing IMAP to POP 2,082
Windows Media or other plugins stopped working after Firefox update 2,079
Find and install Add-ons on Firefox for Android 2,037
Firefox doesn't save web form entries 2,034
Compacting folders 2,011
Changes to toolbars and window sizes are not saved 1,977
Browse web pages together on Firefox Hello 1,964
Firefox is stuck in Safe Mode 1,937
Where is the Firefox Hello button? 1,922
How do I install X-Ray Goggles? 1,891
How can I send a large attachment? 1,887
Rebuilding the Global Database 1,843
Firefox release notes - What's New and Known Issues 1,841
Problems with email and how to find help 1,839
Download music, photos and videos 1,825
Configuration Options for Security 1,813
Save web pages to your Reading List on Firefox for Android 1,799
Disable Pocket for Firefox 1,782
Uninstall Firefox for Android 1,777
Cannot delete messages 1,752
Instant Messaging and Chat 1,748
Thunderbird Software Update Failed 1,738
Installing apps 1,737
Use bookmarklets to quickly perform common web page tasks 1,735
How to use a Virtual Card (vCard) 1,729
Customizing the Start Page 1,725
The thumbnails on the New Tab page are missing - how to get them back 1,709
Scan QR codes in Firefox for Android 1,703
Manage saved passwords in Firefox for iOS 1,681
What to do when searches take you to the wrong search website 1,657
Join a conversation on Firefox Hello 1,642
Disable Firefox Sync on a lost phone or tablet 1,620
Change the default language of Firefox for Android 1,583
PDF files are blank or cause an error message on Mac 1,563
Maildir in Thunderbird 1,548
Configuring Lightning 1,536
How to Customize Toolbars 1,535
ISP Configuration Settings 1,535
How to add and remove bookmarks in Firefox for iOS 1,514
Home page with pipe character opens extra tabs when Firefox starts 1,483
View articles in Reader View on Firefox for Android 1,474
Installing an Add-on in Thunderbird 1,466
Use the Firefox sidebar to access bookmarks, history and social features 1,461
Thunderbird FAQ 1,450
Frequently Asked Questions 1,443
Update to a new version 1,433
Recommendations in Marketplace 1,423
Why has my "Send" button been replaced with "Send Later" 1,419
How to stay safe on the web 1,406
How to Customize the New Mail Sound 1,397
Global Search 1,392
Bookmark Tags - Categorize bookmarks to make them easy to find 1,388
Calendar (Lightning and Sunbird) FAQ 1,371
Configuring Email Aliases 1,358
Crashes on startup after the update to Firefox 46 on OS X 1,357
View all Hotmail or Outlook emails 1,345
Reply Above or Below Quoted Text 1,338
Thunderbird Accessibility Features 1,322
Avoid and report Mozilla tech support scams 1,305
I can't play videos or audio on Firefox for Android 5.0 (Lollipop) 1,277
Configuration Options for Downloading Messages 1,251
How to search IMDB, Wikipedia and more from the address bar 1,233
How do I change to the desktop view in Firefox for Android? 1,220
Certificate warnings in Firefox for iOS 1,219
Copy a saved password in Firefox for Android 1,217
How to Use Attachments 1,206
Recalling an Email 1,169
How to Install and Use another Language in the Dictionary on Thunderbird 1,144
Change your Firefox search settings on Windows 10 1,142
Firefox for Android displays blank web pages 1,142
Configuring Certificates 1,141
Add email accounts 1,139
Configuration Options for Attachments 1,134
Use the Awesome Screen to search the web, bookmarks and more 1,120
Share a webpage through Firefox Share 1,112
Use mouse shortcuts to perform common tasks in Firefox 1,110
Configuration Options for Sending Messages 1,105
Firefox no longer works with Mac OS X 10.4 or PowerPC processors 1,105
Switching the folder pane view 1,103
Configuration Options for Writing Messages 1,102
Firefox Marketplace Apps Stop Working on Firefox 47+ for Android 1,100
Viewing Desktop Sites on Firefox iOS 1,092
Adding a holiday calendar 1,066
Firefox says it's just updated every time it starts - how to fix 1,056
Log in to Pocket with your Firefox Account 1,053
Which browsers will work with Firefox Hello? 1,042
Unable to set Firefox as the default browser for iOS 1,029
Manage saved passwords in Firefox for Android 1,026
Remove Top Sites from the Firefox for iOS home screen 1,025
Thunderbird and Logjam 1,020
Quick Filter Toolbar 1,018
Enable or disable cookies on Firefox for Android 1,007
Enable Wi-Fi on Firefox for Android 979
Use tabs in Firefox for iOS 960
Changing calendar preferences 959
Firefox is no longer available for download in the T-Store 949
Using Master Password on Firefox for Android 936
Firefox Sync upgrade - Frequently Asked Questions 919
Thunderbird and Yahoo 913
Inviting Other People to Events 906
Clear your search history in Firefox Search 888
Message Tabs 888
Uninstall Firefox for iOS 859
Changing IMAP to POP 858
Restore the default Smart Bookmarks Folders 851
Search Firefox instantly on your Android home screen 850
How to troubleshoot time related errors on secure websites 840
FAQ Thunderbird and Windows 7 838
Insecure password warning in Firefox 826
Lightning User Interface 824
Change the tab list view in Firefox for iOS 812
Get help with Webmaker for Android 798
Creating a new event or task 797
Awesome Screen on iOS - access search and favorite sites in one place 786
Where to go for developer support 786
Full screen browsing on Android 778
What is my Firefox OS version? 768
Save passwords in Firefox for Android 767
Connect to Wi-Fi or data 754
Sign up for Pocket with your Firefox Account 749
Play videos full screen on Firefox for Android 733
Enable or disable search engines on Firefox for iOS 728
Share your Android device with a Firefox Guest Session 713
What is Persona and how does it work? 713
Uninstall Thunderbird from your computer 698
How to hide the tab strip when you only have one tab 695
How do I use Do-not-track on Firefox for Android? 677
Menu Reference TB 666
Add the Firefox Search widget to your home screen 658
Change the look of Firefox for Android using themes 656
Get started with Firefox OS 644
Tips for safe online shopping 640
Change your default search engine in Firefox for iOS 630
Send instant messages on Firefox Hello 611
How do I quit Firefox for Android? 610
Names but no Email Addresses are Displayed 609
Configure Origin Address for Multiple Gmail Accounts 604
Display name in message list and message pane 599
What is the Marketplace? 591
Firefox crashes - asking for support 574
Print a web page from Firefox for Android 571
Thunderbird Crashes 569
Configuration Options for Filtering Messages 554
Norton Toolbar won't work with Firefox version 41 543
Web pages aren't displaying properly in Firefox for Android 536
Configuration Options for Accounts 535
How do I share Firefox between people on a computer? 532
Glossary of Terms including types of Accounts 529
Mobile Accessibility Features 526
Recover lost bookmarks on Firefox Developer Edition 522
Print List of Messages 521
Getting help with your Firefox OS-based Panasonic TV 517
How to add a shortcut to a website on Android 517
Add, manage and share contacts 505
Change the default language on Firefox for iOS 497
Share pages with Firefox from other browsers 497
Thunderbird and Windows 8 497
Configuration Options for Character Encoding 487
Configuration Options for Receiving Messages 487
Uninstall Firefox for Android add-ons 485
Zoom in and out of websites on Firefox for Android 480
Configuration Options for Tags 476
Thunderbird’s Scam Detection 476
Calls and voicemail 475
Improve Mozilla Location Services by turning on Location Services in the Firefox for Android Settings 467
Add Search Engine to Open Search 456
Why does Thunderbird warn me that my server doesn't use encryption? 453
Firefox family-friendly browsing in a restricted profile 450
Navigation bar in Firefox for iOS 447
ISP Database 445
Using Identities 443
New in Thunderbird 31.0 441
Test Pilot - test Firefox's experimental features 433
Why is there an OpenH264 plugin in Firefox? 433
Thunderbird and Comcast 430
Viewing All Body Parts 428
Search and discover content 418
Uninstall apps 418
How do I manage my Persona account? 416
Manage photo and video gallery 406
How can I use Thimble to teach myself to code? 405
Block or load images over WiFi on Firefox for Android 399
Creating a Newsgroup Account 398
How do I inspect and edit my first web page? 391
Signing in using Persona 375
Switch to a secure email provider 371
Find My Device for Firefox OS 369
Scrolling issue on Firefox after upgrading to OS X Mavericks 365
Send and manage email 364
Configuration Options for Search 361
Signing out using Persona 358
Search within a web page in Firefox for iOS 357
Privacy and Security on Firefox OS 345
Mobile-Optimized Websites in the Marketplace 337
What is Persona? 327
How can I help by submitting mobile performance data? 325
What is X-Ray Goggles? 323
New in Thunderbird 321
Mozilla Crash Reporter TB 315
Identify noisy tabs in Firefox for Android 307
Email notifications and inbox sync 306
Dual SIM cards 293
Using Saved Searches 293
Set Date and Time 290
Facebook import error on ZTE Open 286
Thunderbird and Sympatico 285
How to use TalkBack support in Firefox for Android for accessibility 283
Add web pages to your Reading List on Firefox for iOS 275
Share music, videos and photos 271
Preview pages on your tab list with 3D Touch 267
Scrollable tabs on the Firefox for Android home screen 264
View data usage 264
What is Thimble? 262
Play and manage music 258
Send messages 256
Slow down Firefox for Android's scroll speed 253
Share your Internet connection 250
Thunderbird and AT&T 250
How do I submit a bug for Firefox sync? 240
Configuration Options for Add-ons 235
Using the Call Log 234
Navigating your Firefox OS phone 229
Use gestures in Firefox for Android 228
Working with events 223
Thunderbird is stuck in Safe Mode 220
Adding music 218
Record Videos 218
View web pages in Reader View 214
Changing the Date or Time of an Event 205
What is a Mozilla Backpack? 205
Lastpass was disabled after updating Firefox 204
Troubleshoot Firefox OS 204
Control screen brightness 203
Setting the Screen Lock 197
Keyboard settings 196
FAQ AOL email Sent Folder 195
How to save a page as a PDF on Firefox for Android 194
Visit websites on Firefox OS 190
Firefox 3.6 is no longer supported 182
Switch or quit apps 181
My Mac won't shut down after updating to Firefox version 45 177
Creating a recurring event 176
Get help with Firefox Developer Edition 173
Set up a feed on Firefox for Android 173
Am I really hacking a web page? 169
List of Configuration Options 157
Set your SIM PIN 146
Change the wallpaper 142
Save battery power 142
Rate your Firefox experience (Heartbeat) 138
Thunderbird makes unrequested connections 137
Ringer, sound and vibrate settings 133
Firefox no longer works with Windows 2000 124
Take screenshots 122
Share files using Bluetooth 120
Do not track on Firefox OS 119
How can I insert a selfie into my Thimble project? 119
Why do I see a message asking if I want to see the page hosted on HTTPS? 118
How do I share things from Firefox for Android? 115
Fix Gmail password errors 112
Add and manage calendars 111
Configuration Options for Startup 111
Using the camera 109
Localization Dashboards 105
Use Firefox Accounts to manage your Marketplace apps 105
Listen to the radio 103
Plugin Crash Reports TB 101
Thunderbird can't be opened after you install it on a Mac - How to fix 99
No SMS after switching from iPhone 96
Set alarm clock 96
Change your Firefox Accounts password 94
Do I need an account to publish a project using X-Ray Goggles? 89
Help with Marketplace purchases 89
Tracking protection in Firefox OS 86
Unable to log in to websites that use signText on Firefox 86
Where can I earn badges? 86
Contact Firefox OS carrier support 81
Where can I go for support? 81
How can I get help with my X-Ray Goggles project? 80
Where can I go for help and support? 78
Forum Response - How do I send tabs to other devices using sync 76
How do I embed a tutorial into my Thimble project? 72
Small Resolution Screens 68
Configuration Options for System 67
Build number not displayed 65
Can I create a single account for all of the students in my classroom to use? 64
How can I get help with my Thimble project? 63
How do I create a project with multiple files? 60
New in Thunderbird 24 58
How can I use Thimble in my classroom or out-of-school learning environment? 55
The Whats New or Migration Assistant tabs keep appearing 55
Thunderbird Enterprise Deployment 55
Do I need an account to publish a project using Thimble? 53
Can I print a tip sheet with X-Ray Goggles shortcuts for an event? 51
How can I share my Thimble projects? 50
Send performance data to Mozilla 49
Set Screen timeout 44
Turn off web fonts in Firefox for Android 44
How to improve HKSCS localization on Firefox on Windows XP 40
Update Accuweather or Wikipedia 38
How can I contribute to the Thimble project? 37
How do I add code comments to a Thimble project? 37
Configuration Options for Certificates 36
Configuration Options for Identity 33
What is Mozilla BadgeKit? 33
Check the battery level 32
Klar - Content blocking app for Safari 32
How can I personally display Open Badges? 30
The call log won't finish loading 30
What's new in the August 31, 2015 release? 30
Open Badges Calls 29
How do I share the badges I've earned? 28
Where can I find community research on Open Badges? 27
How can I access projects I made with an older version of Thimble? 26
Is there Open Badges research available? 26
Turn on Airplane Mode 24
How do I become an issuer? 21
What is Mozilla's Open Badges project? 21
Where can I go for technical help? 21
How does my organization become a displayer of Open Badges? 18
Get involved with the Open Badges Community 16
How do I report a Thimble bug? 15
What is a badge? 14
What is BadgeKit? 13
Why did we create Mozilla BadgeKit? 12
Why Open Badges? 12
Hide the back, forward, reload, bookmark button in the right click context menu 11
What is included in BadgeKit? 11
What is the Open Badges Infrastructure? 10
Who else is issuing Open Badges? 7
How to Unsubscribe from a Mozilla newsletter, such as Firefox & You 6
Who is BadgeKit for? 6
Where is technical documentation for BadgeKit? 5
Are all my badges public? 4
Is BadgeKit ready now? 3
Connect your Firefox OS device with a Computer
Fixing Flash issues in Firefox
Get Menubar Back
[Guide] ABSOLUTE Complete Removal and Avoid