Most Visited

Article Visits Status
New in Thunderbird 45.0 3,769,036
Get started with Firefox - An overview of the main features 3,623,027
What does "Your connection is not secure" mean? 1,385,384
Refresh Firefox - reset add-ons and settings 1,179,301
Update Firefox to the latest version 851,468
How does built-in Phishing and Malware Protection work? 671,512
What's new in Firefox for iOS (version 4.0) 643,963
Delete browsing, search and download history on Firefox 592,385
Page Info window - View technical details about the page you are on 502,558
Add-on signing in Firefox 444,397
Avoid crashes - Tips and tricks 401,736
New in Thunderbird 38.0 337,864
What's new in Firefox for iOS (version 3.0) 213,224
About Tiles in New Tab 205,715
Send plugin crash reports to help Mozilla improve Firefox 201,505
Startup, home page, tabs, and download settings 196,580
Private Browsing on Firefox for Android 178,319
Web Push notifications in Firefox 160,387
Why do I have to click to activate plugins? 141,848
Using Tabs on Firefox for Android 135,042
Install the Flash plugin to view videos, animations and games 130,434
Private Browsing - Use Firefox without saving history 125,130
Find and install add-ons to add features to Firefox 118,655
Watch DRM content on Firefox 108,031
Mixed content blocking in Firefox 107,506
Clear your browsing history and other personal data on Firefox for Android 103,868
How to download and install Firefox on Windows 103,198
Install Firefox on Linux 101,366
Pop-up blocker settings, exceptions and troubleshooting 98,541
Troubleshoot the "Secure Connection Failed" error message 95,674
Keyboard shortcuts - Perform common Firefox tasks quickly 94,924
How to set the home page 94,660
Search suggestions in Firefox 91,535
Advanced panel - Accessibility, browsing, network, updates, and other advanced settings in Firefox 89,351
Manage your Top Sites in Firefox for Android 86,100
Profiles - Where Firefox stores your bookmarks, passwords and other user data 84,691
How to clear the Firefox cache 79,514
Tracking Protection in Private Browsing 75,205
Flash Plugin - Keep it up to date and troubleshoot problems 73,582
Adobe Flash protected mode in Firefox 69,771
Enable and disable cookies that websites use to track your preferences 68,523
Warning Unresponsive script - What it means and how to fix it 66,820
Cookies - Information that websites store on your computer 60,479
Settings for web content, pop-ups, fonts, and languages 57,494
Filelink for Large Attachments 57,355
Make Firefox your default browser 56,935
Firefox hangs or is not responding - How to fix 56,651
Install an older version of Firefox 53,892
How to download and install Firefox on Mac 53,782
Password Manager - Remember, delete, change and import saved passwords in Firefox 52,650
Adobe Flash plugin has crashed - Prevent it from happening again 49,685
Delete cookies to remove the information websites have stored on your computer 49,553
Use the Java plugin to view interactive content on websites 49,542
Troubleshoot Firefox issues using Safe Mode 49,394
Use the Search bar in Firefox 48,311
How do I set up Sync on my computer? 47,902
Firefox is slow - How to make it faster 47,633
Private Browsing in Firefox for iOS 47,184
Restore bookmarks from backup or move them to another computer 45,910
Customize the New Tab page 44,989
Use the Profile Manager to create and remove Firefox profiles 43,693
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems 43,310
Disable or remove Add-ons 40,852
Find what version of Firefox you are using 36,771
Reset Firefox preferences to troubleshoot and fix problems 35,920
Update to the latest version of Firefox for Android 35,805
Review Needed
Firefox crashes - Troubleshoot, prevent and get help fixing crashes 34,949
How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites 34,701
Troubleshoot Firefox issues caused by malware 33,903
Firefox uses too much memory (RAM) - How to fix 33,539
How do I tell if my connection to a website is secure? 33,357
Upgrade your graphics drivers to use hardware acceleration and WebGL 32,990
View synced tabs from other devices 32,954
Tracking Protection in Firefox for Android 32,548
Troubleshoot and diagnose Firefox problems 30,986
Configuration Editor for Firefox 30,701
Security and passwords settings 29,716
Moving Thunderbird Data to a New Computer 28,966
Websites don't load - troubleshoot and fix error messages 28,918
Applications panel - Set how Firefox handles different types of files 28,738
Awesome Bar - Search your Firefox bookmarks, history and tabs from the address bar 28,259
Back up and restore information in Firefox profiles 28,257
Customize Firefox controls, buttons and toolbars 27,807
Control Center - manage site privacy and security controls 27,393
Export Firefox bookmarks to an HTML file to back up or transfer bookmarks 27,381
Profiles TB 27,208
Use plugins to play audio, video, games and more 27,198
Settings for privacy, browsing history and do-not-track 26,560
Recovering important data from an old profile 26,209
Firefox uses too many CPU resources - How to fix 25,918
Will Firefox work on my mobile device? 25,398
What's new in Firefox for iOS 2.0 24,688
Create bookmarks to save your favorite webpages 22,804
Fix common audio and video issues 22,172
How do I turn on the Do Not Track feature? 22,171
Uninstall Firefox from your computer 22,065
Hide or display Tiles in New Tab 21,966
View PDF files in Firefox without downloading them 21,780
Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems 20,819
Restore previous session - Configure when Firefox shows your most recent tabs and windows 20,767
Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window 20,583
Import bookmarks from Google Chrome 20,548
Firefox can't load websites but other browsers can 19,630
How to run Firefox when your profile is missing or inaccessible 19,358
Websites say cookies are blocked - Unblock them 19,176
Recover lost or missing Bookmarks 19,072
How can I get the latest version of Firefox on Windows XP or Vista? 18,767
Font size and zoom - increase the size of web pages 18,679
"This Connection is Untrusted" error message appears - What to do 18,394
Server Not Found - Troubleshoot connection problems 18,363
How do I watch Flash videos with Firefox for Android? 18,029
Firefox won't start - find solutions 17,971
Create a desktop shortcut to a website 17,530
Use themes to change the look of Firefox 17,356
How to allow Java on trusted sites 17,236
What do the SSLv3 error messages mean on Firefox? 16,890
What happened to the File, Edit, and View menus? 16,701
Ignoring threads 16,403
Add-ons that cause stability or security issues are put on a blocklist 16,175
Thunderbird and Gmail 16,088
Firefox Health Report - understand your browser performance 15,902
Play Windows Media files in Firefox with the Windows Media plugin 15,898
Manual Account Configuration 15,819
JavaScript settings and preferences for interactive web pages 15,632
Firefox menu icon is missing on Android - how to access the menu 15,486
Use the Silverlight plugin to play audio and video 15,405
How to change your default browser in Windows 10 15,187
Signatures 15,183
Install Firefox on your iPad, iPhone or iPod 15,128
Use the Troubleshooting Information page to help fix Firefox issues 14,824
Import Bookmarks and personal data from another browser 14,772
Installing Thunderbird on Windows 14,693
Change your default search settings in Firefox 14,653
Use the QuickTime plugin to play audio and video 14,614
Import Bookmarks from Internet Explorer 14,494
Forget button - quickly delete your browsing history on Firefox 13,829
Sync bookmarks, tabs, history and passwords on Android 13,519
Install Firefox on an Android device using Google Play 13,511
Change what Firefox does when you click on or download a file 13,389
Use the Adobe Reader plugin to view or download PDF files 13,308
Installing Thunderbird 13,256
Fix printing problems in Firefox 13,021
Where to find and manage downloaded files in Firefox 12,557
Remote Content in Messages 12,210
Control whether Firefox automatically fills in forms 11,942
What to do if you can't download or save files 11,915
Remove a toolbar that has taken over your Firefox search or home page 11,773
Usernames and passwords are not saved 11,281
Block and unblock websites with parental controls on Firefox 11,162
Import Bookmarks from an HTML file 10,771
Configure firewalls so that Firefox can access the Internet 10,706
Fix problems that cause images to not show 10,668
Use Firefox for Android to send videos to your Roku 10,657
Flash videos won't play full screen 10,589
Using Lightning with Google Calendar 10,480
Add or remove a search engine in Firefox 10,403
Switching to Thunderbird 10,331
How to fix preferences that won't save 10,317
Automatic Account Configuration 10,190
Set up a passcode and Touch ID in Firefox 10,162
Firefox takes a long time to start up 9,956
Use Firefox for Android to send videos to Chromecast 9,886
Make Firefox the default browser on Android 9,868
How do I delete a bookmark? 9,867
Configure Windows Firewall to allow Firefox access to the Internet 9,697
Warning Unresponsive plugin - What it means and how to fix it 9,511
Send anonymous usage data from Firefox on mobile devices 9,483
Unable to install add-ons (extensions or themes) 9,393
How to print web pages in Firefox 8,797
Firefox does not work - Common fixes to get you back up and running 8,790
"Firefox is already running but is not responding" error message - How to fix it 8,560
Set Adobe Flash to "click to play" on Firefox 8,318
I'm having problems with my Firefox Account 8,180
Firefox Hello - video and voice conversations online 8,175
Manage my default search engines in Firefox for Android 8,147
Tab preferences and settings 8,103
HTML5 audio and video in Firefox 8,022
Add Firefox to the Today view on your iOS device 7,983
How do I restore my tabs from last time? 7,982
Installing Thunderbird on Linux 7,935
Use bookmark folders to organize your bookmarks 7,933
Disable third-party cookies in Firefox to stop some types of tracking by advertisers 7,695
Mute sound in Firefox tabs 7,475
Using Multiple Profiles 7,474
What to do if Firefox won't play any sounds 7,324
How to make Firefox and websites go full screen 7,231
Change the Default Language 7,108
Firefox keeps crashing at startup 7,070
Which version of Firefox am I using? 6,994
Wrong home page opens when I start Firefox - How to fix 6,927
Fix problems with Facebook games, chat and more 6,827
Import Internet Explorer Favorites from another computer 6,806
Mixed content blocker in Firefox for Android 6,704
Add-on signing in Firefox for Android 6,644
Cannot receive messages 6,605
Fix problems connecting to websites after updating Firefox 6,566
Updating Thunderbird 6,535
Cannot remove an add-on (extension or theme) 6,500
How do I copy and paste text on Android? 6,469
What is the Mozilla Maintenance Service? 6,423
Voice input in Firefox for Android 6,393
How to disable the built-in PDF viewer and use another viewer 6,344
Can't add, change or save bookmarks - How to fix 6,338
Firefox's default home page has quick links to common features 6,326
Cannot Send Messages 6,247
Websites look wrong or appear differently than they should 6,097
Set a home page on Firefox for Android 6,059
How do I use the Firefox spell checker? 6,010
Setting Firefox as the default browser does not work - What to do 6,002
Keyboard Shortcuts TB 5,959
Fix login issues on websites that require a username and password 5,857
Blocking a sender 5,811
Websites show a spinning wheel and never finish loading 5,795
Organize Your Messages by Using Filters 5,736
Access Mozilla Services with Firefox Accounts 5,636
Tab Groups feature discontinued 5,540
How to search the contents of the current page for text or links 5,534
I'm having problems confirming my new Firefox Account 5,533
Firefox and other browsers can't load websites 5,531
Firefox Sync troubleshooting and tips 5,529
How do I change my Mac Security Settings so I can open Firefox Marketplace apps? 5,514
Where are my logins stored? 5,501
Clear browsing history and cookies 5,384
Change the fonts and colors websites use 5,380
Installing Firefox for Android on an Amazon Kindle Fire 5,369
Use the Firefox interface in other languages with language packs 5,301
Thunderbird and Hotmail 5,270
Clear recent searches from the Search bar 5,240
Firefox repeatedly opens empty tabs or windows after you click on a link 5,132
Change the program used to open email links 5,108
Use a Master Password to protect stored logins and passwords 5,009
How to stop Firefox from making automatic connections 4,981
Thunderbird and Junk / Spam Messages 4,948
What is the winmail.dat attachment? 4,800
Firefox no longer works with some versions of Windows XP 4,758
Reset your Master Password if you've forgotten it 4,617
Installing Thunderbird on Mac 4,594
Sort your bookmarks to quickly find the ones you want 4,558
Where is the "Pocket for Firefox" button? 4,547
Search the web from the address bar 4,534
I've lost my Firefox Sync account information - What to do 4,512
What happened to the Add-on Bar? 4,474
What is plugin-container 4,416
Digitally Signing and Encrypting Messages 4,411
Secure Website Certificate 4,363
Fix video and audio playback problems on Firefox for Windows 4,324
Pinned Tabs - keep favorite websites open and just a click away 4,316
Re-enable add-ons that were disabled when updating Firefox 4,290
Mozilla Crash Reporter 4,266
Configuration Options for Viewing Messages 4,255
How to save a web page 4,213
Addressing an Email 4,189
Firefox Reader View for clutter-free web pages 4,177
Create secure passwords to keep your identity safe 4,167
Master Password 4,158
Export bookmarks to Internet Explorer 4,079
Navigation buttons like back, home, bookmarks and reload are missing 4,001
Sending and Receiving Messages on Thunderbird 3,993
Clear browsing history in Firefox for iOS 3,985
IMAP Synchronization 3,961
How to remove the Babylon toolbar, home page and search engine 3,921
Add, delete and view bookmarked webpages in Firefox for Android 3,895
Using the Lightning Calendar Add-on 3,821
Live Bookmarks - Subscribe to a web page for news and updates 3,799
Review Needed
Make Thunderbird the Default Mail Client 3,781
Firefox Health Report says your browser is running slower than usual 3,764
Archived Messages 3,751
Block websites from storing site preferences or login status in Firefox 3,731
Hyperlinks in Messages Not Working 3,712
How to create and use mailing lists on Thunderbird 3,678
Sync your Firefox bookmarks and browsing history in iOS 3,551
Save web pages for later with Pocket for Firefox 3,382
Standalone address book 3,378
Configuration Options for Folders 3,367
Vacation Response 3,307
How to fix the Update Failed error message when updating Firefox 3,294
What happened to the Status Bar? 3,284
How to turn off Java applets 3,227
How does Firefox for Android use the permissions it requests? 3,163
How do I tell if I have the 32-bit or 64-bit Firefox? 3,126
How do I choose what types of information to sync on Firefox? 3,105
Add social features to the Firefox sidebar 3,013
Remove websites from the Awesome Bar suggestions 3,001
Avoiding Quota Limits on Mail Servers 2,974
Firefox no longer works with Mac OS X 10.5 2,958
Switch from POP to IMAP account 2,953
Firefox Hello can't access my camera or microphone 2,872
Creating New Calendars 2,864
New Email Address 2,860
Share telemetry data with Mozilla to help improve Firefox 2,857
Keyboard Shortcuts for Searching 2,849
Tips to protect your online privacy 2,837
Accessibility features in Firefox - Make Firefox and web content work for all users 2,826
The Add-on Bar gives you quick access to add-on features 2,760
Open links in the background for later viewing with Firefox for Android 2,751
Firefox Marketplace Apps Stop Working on Firefox 48+ for Windows, Mac, and Linux 2,735
Fix "The bookmarks and history system will not be functional" error message 2,726
Display the Thunderbird menus and toolbar 2,710
Configuration Options for Updates 2,690
Add Security Exception 2,680
Getting started with the Firefox for Android tablet browser 2,678
Unable to access secure (HTTPS) sites in Firefox 43 2,672
Installing Lightning into Thunderbird 2,635
Marketplace apps for Firefox Desktop 2,619
Firefox Health Report - understand your Android browser performance 2,618
How can I get the latest version of Thunderbird on Windows XP or Vista? 2,550
Export bookmarks to Safari 2,527
How to sync your add-ons with another copy of Firefox 2,483
Safe Mode Thunderbird 2,478
Get started with Firefox for Android 2,461
Open Search 2,444
Review Needed
How do I create a screenshot of my problem? 2,385
Message List Columns 2,311
Use tabs to organize lots of websites in a single window 2,262
WhatsApp alternatives - Firefox OS 2,256
Focus by Firefox 2,240
Is Firefox available for iPhone or iPad in my language? 2,240
Where is the Firefox Hello button? 2,206
Exporting and sharing a calendar 2,197
Add-Ons and Extensions FAQ 2,186
Config Editor 2,182
Send text or multimedia messages from Firefox for Android 2,178
How to Subscribe to News Feeds and Blogs 2,151
Use popular search suggestions in the Firefox Search bar 2,148
How to reset the default user agent on Firefox 2,108
FAQ Changing IMAP to POP 2,097
Windows Media or other plugins stopped working after Firefox update 2,077
Find and install Add-ons on Firefox for Android 2,052
Firefox doesn't save web form entries 2,003
Changes to toolbars and window sizes are not saved 1,956
Compacting folders 1,953
Browse web pages together on Firefox Hello 1,948
Firefox is stuck in Safe Mode 1,925
Download music, photos and videos 1,882
Firefox release notes - What's New and Known Issues 1,871
Save web pages to your Reading List on Firefox for Android 1,866
How do I install X-Ray Goggles? 1,852
How can I send a large attachment? 1,840
Configuration Options for Security 1,826
Manage saved passwords in Firefox for iOS 1,824
Uninstall Firefox for Android 1,814
Rebuilding the Global Database 1,801
Problems with email and how to find help 1,797
Scan QR codes in Firefox for Android 1,787
Instant Messaging and Chat 1,753
Installing apps 1,748
Disable Pocket for Firefox 1,747
Thunderbird Software Update Failed 1,723
The thumbnails on the New Tab page are missing - how to get them back 1,712
How to use a Virtual Card (vCard) 1,700
Join a conversation on Firefox Hello 1,688
Customizing the Start Page 1,685
Use bookmarklets to quickly perform common web page tasks 1,671
What to do when searches take you to the wrong search website 1,657
Disable Firefox Sync on a lost phone or tablet 1,653
Cannot delete messages 1,593
Change the default language of Firefox for Android 1,580
Maildir in Thunderbird 1,562
PDF files are blank or cause an error message on Mac 1,527
How to add and remove bookmarks in Firefox for iOS 1,525
ISP Configuration Settings 1,516
Configuring Lightning 1,511
How to Customize Toolbars 1,508
Installing an Add-on in Thunderbird 1,508
View articles in Reader View on Firefox for Android 1,487
Home page with pipe character opens extra tabs when Firefox starts 1,481
Frequently Asked Questions 1,476
Use the Firefox sidebar to access bookmarks, history and social features 1,473
Recommendations in Marketplace 1,470
How to stay safe on the web 1,446
Update to a new version 1,443
Thunderbird FAQ 1,439
Global Search 1,402
Why has my "Send" button been replaced with "Send Later" 1,400
Calendar (Lightning and Sunbird) FAQ 1,383
Bookmark Tags - Categorize bookmarks to make them easy to find 1,378
How to Customize the New Mail Sound 1,370
Thunderbird Accessibility Features 1,331
Avoid and report Mozilla tech support scams 1,330
View all Hotmail or Outlook emails 1,318
Configuring Email Aliases 1,305
Reply Above or Below Quoted Text 1,304
I can't play videos or audio on Firefox for Android 5.0 (Lollipop) 1,288
Crashes on startup after the update to Firefox 46 on OS X 1,282
Configuration Options for Downloading Messages 1,241
Copy a saved password in Firefox for Android 1,230
How do I change to the desktop view in Firefox for Android? 1,230
How to search IMDB, Wikipedia and more from the address bar 1,207
How to Use Attachments 1,177
How to Install and Use another Language in the Dictionary on Thunderbird 1,153
Certificate warnings in Firefox for iOS 1,147
Which browsers will work with Firefox Hello? 1,146
Use the Awesome Screen to search the web, bookmarks and more 1,140
Recalling an Email 1,139
Add email accounts 1,137
Firefox for Android displays blank web pages 1,131
Change your Firefox search settings on Windows 10 1,128
Firefox Marketplace Apps Stop Working on Firefox 47+ for Android 1,117
Configuring Certificates 1,112
Configuration Options for Attachments 1,110
Firefox no longer works with Mac OS X 10.4 or PowerPC processors 1,106
Share a webpage through Firefox Share 1,105
Configuration Options for Writing Messages 1,095
Viewing Desktop Sites on Firefox iOS 1,095
Switching the folder pane view 1,092
Use mouse shortcuts to perform common tasks in Firefox 1,086
Configuration Options for Sending Messages 1,077
Adding a holiday calendar 1,066
Firefox says it's just updated every time it starts - how to fix 1,061
Log in to Pocket with your Firefox Account 1,058
Enable or disable cookies on Firefox for Android 1,049
Thunderbird and Logjam 1,044
Unable to set Firefox as the default browser for iOS 1,042
Remove Top Sites from the Firefox for iOS home screen 1,028
Manage saved passwords in Firefox for Android 1,022
Quick Filter Toolbar 1,002
Use tabs in Firefox for iOS 1,000
Firefox is no longer available for download in the T-Store 994
Enable Wi-Fi on Firefox for Android 992
Changing calendar preferences 940
Firefox Sync upgrade - Frequently Asked Questions 932
Using Master Password on Firefox for Android 929
Clear your search history in Firefox Search 916
Thunderbird and Yahoo 902
Message Tabs 895
Inviting Other People to Events 890
Uninstall Firefox for iOS 871
Search Firefox instantly on your Android home screen 867
Changing IMAP to POP 855
Restore the default Smart Bookmarks Folders 853
Change the tab list view in Firefox for iOS 842
FAQ Thunderbird and Windows 7 827
Lightning User Interface 826
How to troubleshoot time related errors on secure websites 825
Insecure password warning in Firefox 820
Get help with Webmaker for Android 799
Full screen browsing on Android 798
Awesome Screen on iOS - access search and favorite sites in one place 796
What is my Firefox OS version? 787
Creating a new event or task 779
Where to go for developer support 779
Connect to Wi-Fi or data 768
Sign up for Pocket with your Firefox Account 763
Save passwords in Firefox for Android 757
Play videos full screen on Firefox for Android 749
Enable or disable search engines on Firefox for iOS 730
Share your Android device with a Firefox Guest Session 713
What is Persona and how does it work? 699
How to hide the tab strip when you only have one tab 690
Uninstall Thunderbird from your computer 687
How do I use Do-not-track on Firefox for Android? 682
Change the look of Firefox for Android using themes 676
Add the Firefox Search widget to your home screen 672
Menu Reference TB 664
Tips for safe online shopping 656
Get started with Firefox OS 651
Change your default search engine in Firefox for iOS 628
How do I quit Firefox for Android? 616
Send instant messages on Firefox Hello 606
Configure Origin Address for Multiple Gmail Accounts 605
Display name in message list and message pane 600
Names but no Email Addresses are Displayed 599
What is the Marketplace? 585
Print a web page from Firefox for Android 581
Firefox crashes - asking for support 575
Norton Toolbar won't work with Firefox version 41 562
Getting help with your Firefox OS-based Panasonic TV 545
Thunderbird Crashes 543
Mobile Accessibility Features 540
Configuration Options for Filtering Messages 538
Configuration Options for Accounts 536
Web pages aren't displaying properly in Firefox for Android 532
How do I share Firefox between people on a computer? 529
Print List of Messages 526
Add, manage and share contacts 523
Glossary of Terms including types of Accounts 515
Share pages with Firefox from other browsers 512
How to add a shortcut to a website on Android 510
Recover lost bookmarks on Firefox Developer Edition 507
Change the default language on Firefox for iOS 502
Calls and voicemail 493
Thunderbird and Windows 8 493
Configuration Options for Receiving Messages 477
Uninstall Firefox for Android add-ons 477
Configuration Options for Character Encoding 472
Add Search Engine to Open Search 469
Zoom in and out of websites on Firefox for Android 468
Thunderbird’s Scam Detection 465
Configuration Options for Tags 459
Improve Mozilla Location Services by turning on Location Services in the Firefox for Android Settings 459
Thunderbird and Comcast 457
Using Identities 453
Firefox family-friendly browsing in a restricted profile 449
Why does Thunderbird warn me that my server doesn't use encryption? 448
Navigation bar in Firefox for iOS 445
New in Thunderbird 31.0 434
Why is there an OpenH264 plugin in Firefox? 431
ISP Database 429
Search and discover content 427
Viewing All Body Parts 427
Uninstall apps 421
Block or load images over WiFi on Firefox for Android 415
How do I manage my Persona account? 415
Manage photo and video gallery 409
How do I inspect and edit my first web page? 395
How can I use Thimble to teach myself to code? 391
Creating a Newsgroup Account 389
Test Pilot - test Firefox's experimental features 385
Signing in using Persona 382
Send and manage email 376
Scrolling issue on Firefox after upgrading to OS X Mavericks 373
Find My Device for Firefox OS 370
Signing out using Persona 369
Search within a web page in Firefox for iOS 365
Configuration Options for Search 364
Switch to a secure email provider 364
Privacy and Security on Firefox OS 349
Mobile-Optimized Websites in the Marketplace 335
Identify noisy tabs in Firefox for Android 324
How can I help by submitting mobile performance data? 322
What is X-Ray Goggles? 316
New in Thunderbird 315
What is Persona? 311
Email notifications and inbox sync 302
Mozilla Crash Reporter TB 300
Facebook import error on ZTE Open 297
Dual SIM cards 288
How to use TalkBack support in Firefox for Android for accessibility 287
Thunderbird and Sympatico 286
Add web pages to your Reading List on Firefox for iOS 285
Using Saved Searches 281
Set Date and Time 275
Preview pages on your tab list with 3D Touch 268
Slow down Firefox for Android's scroll speed 267
View data usage 267
Scrollable tabs on the Firefox for Android home screen 266
Share music, videos and photos 266
Play and manage music 257
What is Thimble? 256
Share your Internet connection 251
Thunderbird and AT&T 249
How do I submit a bug for Firefox sync? 245
Send messages 242
Configuration Options for Add-ons 234
Record Videos 231
Navigating your Firefox OS phone 229
Use gestures in Firefox for Android 228
Using the Call Log 226
Working with events 223
Adding music 222
Thunderbird is stuck in Safe Mode 220
View web pages in Reader View 215
Changing the Date or Time of an Event 209
What is a Mozilla Backpack? 203
Control screen brightness 202
How to save a page as a PDF on Firefox for Android 202
Setting the Screen Lock 199
Troubleshoot Firefox OS 199
Keyboard settings 196
Lastpass was disabled after updating Firefox 195
FAQ AOL email Sent Folder 193
Set up a feed on Firefox for Android 193
Visit websites on Firefox OS 192
Firefox 3.6 is no longer supported 187
Get help with Firefox Developer Edition 175
Creating a recurring event 173
My Mac won't shut down after updating to Firefox version 45 173
Switch or quit apps 173
Am I really hacking a web page? 163
Rate your Firefox experience (Heartbeat) 158
Set your SIM PIN 155
Save battery power 151
List of Configuration Options 142
Change the wallpaper 139
Thunderbird makes unrequested connections 135
Do not track on Firefox OS 134
Ringer, sound and vibrate settings 128
Firefox no longer works with Windows 2000 124
How do I share things from Firefox for Android? 120
Take screenshots 119
Fix Gmail password errors 118
Share files using Bluetooth 117
Why do I see a message asking if I want to see the page hosted on HTTPS? 115
Using the camera 112
Listen to the radio 109
Use Firefox Accounts to manage your Marketplace apps 108
Add and manage calendars 107
How can I insert a selfie into my Thimble project? 107
Configuration Options for Startup 105
Localization Dashboards 104
Plugin Crash Reports TB 100
Thunderbird can't be opened after you install it on a Mac - How to fix 98
No SMS after switching from iPhone 96
Set alarm clock 90
Do I need an account to publish a project using X-Ray Goggles? 87
Contact Firefox OS carrier support 86
Unable to log in to websites that use signText on Firefox 85
Tracking protection in Firefox OS 84
Help with Marketplace purchases 81
Where can I earn badges? 81
Where can I go for help and support? 78
Where can I go for support? 78
How can I get help with my X-Ray Goggles project? 77
Forum Response - How do I send tabs to other devices using sync 76
Change your Firefox Accounts password 72
How do I embed a tutorial into my Thimble project? 71
Small Resolution Screens 66
How can I get help with my Thimble project? 65
Configuration Options for System 64
Build number not displayed 62
How do I create a project with multiple files? 61
Can I create a single account for all of the students in my classroom to use? 59
How can I use Thimble in my classroom or out-of-school learning environment? 57
How can I share my Thimble projects? 55
New in Thunderbird 24 55
The Whats New or Migration Assistant tabs keep appearing 54
Thunderbird Enterprise Deployment 54
Can I print a tip sheet with X-Ray Goggles shortcuts for an event? 50
Do I need an account to publish a project using Thimble? 48
Send performance data to Mozilla 46
Set Screen timeout 42
Update Accuweather or Wikipedia 41
How can I contribute to the Thimble project? 40
Configuration Options for Certificates 38
What is Mozilla BadgeKit? 36
How to improve HKSCS localization on Firefox on Windows XP 35
Configuration Options for Identity 34
How do I add code comments to a Thimble project? 34
Check the battery level 33
How can I personally display Open Badges? 30
What's new in the August 31, 2015 release? 30
Klar - Content blocking app for Safari 29
Open Badges Calls 29
The call log won't finish loading 28
How do I share the badges I've earned? 27
Where can I find community research on Open Badges? 27
How can I access projects I made with an older version of Thimble? 26
Turn on Airplane Mode 26
Is there Open Badges research available? 23
How do I become an issuer? 22
Turn off web fonts in Firefox for Android 21
How do I report a Thimble bug? 20
What is Mozilla's Open Badges project? 20
Where can I go for technical help? 19
How does my organization become a displayer of Open Badges? 18
Get involved with the Open Badges Community 15
What is a badge? 14
Hide the back, forward, reload, bookmark button in the right click context menu 13
What is BadgeKit? 12
Why Open Badges? 12
What is included in BadgeKit? 11
What is the Open Badges Infrastructure? 10
Why did we create Mozilla BadgeKit? 10
Who is BadgeKit for? 6
How to Unsubscribe from a Mozilla newsletter, such as Firefox & You 5
Where is technical documentation for BadgeKit? 5
Are all my badges public? 4
Is BadgeKit ready now? 3
Who else is issuing Open Badges? 3
Connect your Firefox OS device with a Computer
Fixing Flash issues in Firefox
Get Menubar Back
[Guide] ABSOLUTE Complete Removal and Avoid