Most Visited

Article Visits Status
Get started with Firefox - An overview of the main features 2,710,972
How to change your default browser in Windows 10 1,957,090
What does "Your connection is not secure" mean? 1,041,427
Cookies - Information that websites store on your computer 960,667
Update Firefox to the latest version 778,490
Refresh Firefox - reset add-ons and settings 750,482
New in Thunderbird 45.0 537,377
What's new in Firefox for iOS (version 6.0) 483,721
Page Info window - View technical details about the page you are on 418,629
How does built-in Phishing and Malware Protection work? 368,114
Review Needed
How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites 304,595
Add-on signing in Firefox 293,411
Web Push notifications in Firefox 151,828
Find and install add-ons to add features to Firefox 147,292
Mixed content blocking in Firefox 142,262
Make Firefox the default browser on Android 141,862
Startup, home page, tabs, and download settings 134,588
About Tiles in New Tab 132,464
Install Firefox on Linux 121,834
What's New in Firefox for iOS (version 5.0) 116,076
Watch DRM content on Firefox 104,115
Why do I have to click to activate plugins? 101,490
Install the Flash plugin to view videos, animations and games 95,288
New in Thunderbird 38.0 91,143
Send plugin crash reports to help Mozilla improve Firefox 88,286
How to download and install Firefox on Windows 79,284
How to set the home page 77,855
Troubleshoot the "Secure Connection Failed" error message 73,940
How to troubleshoot time related errors on secure websites 69,885
Install an older version of Firefox 69,511
Keyboard shortcuts - Perform common Firefox tasks quickly 68,222
Enable and disable cookies that websites use to track your preferences 64,943
Pop-up blocker settings, exceptions and troubleshooting 64,136
Advanced panel - Accessibility, browsing, network, updates, and other advanced settings in Firefox 63,684
How to download and install Firefox on Mac 63,009
Review Needed
Profiles - Where Firefox stores your bookmarks, passwords and other user data 60,608
How to clear the Firefox cache 58,304
Private Browsing - Use Firefox without saving history 56,296
Accessibility not available during multi-process support 53,094
Tracking Protection in Private Browsing 50,415
Settings for web content, pop-ups, fonts, and languages 48,709
Adobe Flash protected mode in Firefox 47,183
Filelink for Large Attachments 43,928
Flash Plugin - Keep it up to date and troubleshoot problems 42,332
Search suggestions in Firefox 41,613
Delete cookies to remove the information websites have stored on your computer 40,391
Private Browsing in Firefox for iOS 40,295
Restore bookmarks from backup or move them to another computer 39,657
Support for Hello discontinued in Firefox 49 39,499
Update to the latest version of Firefox for Android 38,988
Password Manager - Remember, delete, change and import saved passwords in Firefox 37,900
Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8 37,205
Delete browsing, search and download history on Firefox 36,512
Change your default search settings in Firefox 34,114
Customize the New Tab page 32,485
Private Browsing on Firefox for Android 31,299
Make Firefox your default browser 30,924
Integration into Thunderbird 30,879
Use the Profile Manager to create and remove Firefox profiles 30,479
Troubleshoot Firefox issues using Safe Mode 30,203
How do I set up Sync on my computer? 29,373
Review Needed
Disable or remove Add-ons 29,148
Use the Java plugin to view interactive content on websites 29,105
Firefox is slow - How to make it faster 29,081
Firefox hangs or is not responding - How to fix 28,724
Find what version of Firefox you are using 28,387
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems 28,144
Profiles - Where Thunderbird stores your messages and other user data 27,498
Will Firefox work on my mobile device? 23,688
Fix video and audio playback problems on Firefox for Windows 23,562
Recovering important data from an old profile 22,058
Back up and restore information in Firefox profiles 21,782
Upgrade your graphics drivers to use hardware acceleration and WebGL 21,736
Tracking Protection in Firefox for Android 21,580
Export Firefox bookmarks to an HTML file to back up or transfer bookmarks 21,552
Moving Thunderbird Data to a New Computer 21,351
Review Needed
Troubleshoot and diagnose Firefox problems 21,245
How do I tell if my connection to a website is secure? 21,193
Adobe Flash plugin has crashed - Prevent it from happening again 21,119
Firefox uses too much memory (RAM) - How to fix 20,570
Customize Firefox controls, buttons and toolbars 20,184
Websites don't load - troubleshoot and fix error messages 19,802
Clear your browsing history and other personal data on Firefox for Android 19,713
Reset Firefox preferences to troubleshoot and fix problems 19,544
Firefox crashes - Troubleshoot, prevent and get help fixing crashes 18,786
Warning Unresponsive script - What it means and how to fix it 18,148
Troubleshoot Firefox issues caused by malware 17,508
Uninstall Firefox from your computer 17,479
Security and passwords settings 17,240
Firefox uses too many CPU resources - How to fix 17,041
Control Center - manage site privacy and security controls 16,598
Ignoring threads 16,400
Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window 16,399
Settings for privacy, browsing history and do-not-track 16,264
Use plugins to play audio, video, games and more 16,143
Create bookmarks to save your favorite webpages 15,787
Firefox can't load websites but other browsers can 15,572
Use themes to change the look of Firefox 15,511
Server Not Found - Troubleshoot connection problems 15,409
Applications panel - Set how Firefox handles different types of files 15,311
Recover lost or missing Bookmarks 15,050
Create a desktop shortcut to a website 14,980
How do I watch Flash videos with Firefox for Android? 14,955
Install Firefox on your iPad, iPhone or iPod 14,429
Restore previous session - Configure when Firefox shows your most recent tabs and windows 14,273
Awesome Bar - Search your Firefox bookmarks, history and tabs from the address bar 14,224
Add-ons that cause stability or security issues are put on a blocklist 14,114
How to run Firefox when your profile is missing or inaccessible 13,956
Insecure password warning in Firefox 13,869
Hide or display Tiles in New Tab 13,846
Fix common audio and video issues 13,651
Font size and zoom - increase the size of web pages 13,577
Configuration Editor for Firefox 13,501
View PDF files in Firefox 13,415
Send anonymous usage data from Firefox on mobile devices 12,917
Firefox menu icon is missing on Android - how to access the menu 12,712
Import bookmarks from Google Chrome 12,450
Websites say cookies are blocked - Unblock them 12,387
Firefox won't start - find solutions 12,234
Fix printing problems in Firefox 11,697
Manual Account Configuration 11,291
Use Firefox for Android to send videos to your Roku 11,190
Change what Firefox does when you click on or download a file 10,941
Install Firefox on an Android device using Google Play 10,879
How do I tell if I have the 32-bit or 64-bit Firefox? 10,855
Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems 10,721
Signatures 10,656
Thunderbird and Gmail 10,567
Change the Default Language 10,557
Fix problems that cause images to not show 10,340
How to switch from 32-bit to 64-bit Firefox 10,285
What to do if you can't download or save files 10,278
Use the Search bar in Firefox 10,195
How to allow Java on trusted sites 10,110
What happened to the File, Edit, and View menus? 10,052
Firefox Health Report - understand your browser performance 9,845
Use the Adobe Reader plugin to view or download PDF files 9,614
Configure Windows Firewall to allow Firefox access to the Internet 9,593
JavaScript settings and preferences for interactive web pages 9,591
Where to find and manage downloaded files in Firefox 9,510
Use Firefox for Android to send videos to Chromecast 9,402
How do I delete a bookmark? 9,362
Usernames and passwords are not saved 9,036
Import Bookmarks from an HTML file 9,028
Import Bookmarks from Internet Explorer 8,864
My sign in was “blocked for security reasons” on Firefox Accounts 8,842
Switching to Thunderbird 8,813
Play Windows Media files in Firefox with the Windows Media plugin 8,728
Sync bookmarks, tabs, history and passwords on Android 8,357
Block and unblock websites with parental controls on Firefox 8,280
How do I turn on the Do Not Track feature? 8,255
Control whether Firefox automatically fills in forms 8,073
Set a home page on Firefox for Android 7,956
Use the Silverlight plugin to play audio and video 7,845
Configure firewalls so that Firefox can access the Internet 7,839
Import Bookmarks and personal data from another browser 7,714
What do the SSLv3 error messages mean on Firefox? 7,640
Managing devices using Firefox Accounts 7,476
Automatic Account Configuration 7,353
What's new in Firefox for iOS (version 4.0) 7,231
Installing Firefox for Android on an Amazon Kindle Fire 7,113
Firefox takes a long time to start up 6,768
Import Internet Explorer Favorites from another computer 6,732
Firefox and other browsers can't load websites 6,728
Remove a toolbar that has taken over your Firefox search or home page 6,702
How to fix preferences that won't save 6,670
Remote Content in Messages 6,669
Firefox does not work - Common fixes to get you back up and running 6,666
Using Lightning with Google Calendar 6,657
Mixed content blocker in Firefox for Android 6,576
Use the Firefox interface in other languages with language packs 6,543
Unable to install add-ons (extensions or themes) 6,531
Fix login issues on websites that require a username and password 6,479
How to print web pages in Firefox 6,285
Websites look wrong or appear differently than they should 6,144
Add or remove a search engine in Firefox 6,113
Using Multiple Profiles 5,972
Use the QuickTime plugin to play audio and video 5,897
Use bookmark folders to organize your bookmarks 5,833
Firefox keeps crashing at startup 5,782
How do I copy and paste text on Android? 5,677
Use the Troubleshooting Information page to help fix Firefox issues 5,667
Disable third-party cookies in Firefox to stop some types of tracking by advertisers 5,639
I found a fake Firefox update 5,636
HTML5 audio and video in Firefox 5,635
Firefox repeatedly opens empty tabs or windows after you click on a link 5,619
How to make Firefox and websites go full screen 5,561
I'm having problems with my Firefox Account 5,512
Installing Thunderbird on Linux 5,467
Set Adobe Flash to "click to play" on Firefox 5,449
Clear recent searches from the Search bar 5,360
Wrong home page opens when I start Firefox - How to fix 5,203
What to do if Firefox won't play any sounds 5,186
How do I restore my tabs from last time? 5,184
"Firefox is already running but is not responding" error message - How to fix it 5,162
Where are my logins stored? 5,148
Websites show a spinning wheel and never finish loading 5,028
Add-on signing in Firefox for Android 4,980
Can't add, change or save bookmarks - How to fix 4,889
Which version of Firefox am I using? 4,840
Change the program used to open email links 4,667
How to disable the built-in PDF viewer and use another viewer 4,655
Cannot send messages 4,622
Cannot receive messages 4,592
Fix problems with Facebook games, chat and more 4,253
Secure Website Certificate 4,190
Blocking a sender 4,165
How do I use the Firefox spell checker? 4,082
Fix problems connecting to websites after updating Firefox 4,029
Firefox's default home page has quick links to common features 4,025
Cannot remove an add-on (extension or theme) 4,024
What is Firefox Focus? 4,011
Review Needed
Firefox no longer works with some versions of Windows XP 3,957
How to search the contents of the current page for text or links 3,949
How to stop Firefox from making automatic connections 3,881
Access Mozilla Services with Firefox Accounts 3,833
Organize Your Messages by Using Filters 3,822
I'm having problems confirming my new Firefox Account 3,770
How to save a web page 3,740
Use a Master Password to protect stored logins and passwords 3,727
WhatsApp alternatives - Firefox OS 3,634
What is the Mozilla Maintenance Service? 3,631
Thunderbird and Junk / Spam Messages 3,582
Setting Firefox as the default browser does not work - What to do 3,574
IMAP Synchronization 3,560
Firefox Sync troubleshooting and tips 3,490
Forget button - quickly delete your browsing history on Firefox 3,388
Clear browsing history in Firefox for iOS 3,384
Keyboard Shortcuts TB 3,360
Firefox Reader View for clutter-free web pages 3,357
Installing Thunderbird on Mac 3,337
How to create and use mailing lists on Thunderbird 3,316
Avoid crashes - Tips and tricks 3,272
Change the default email program in Firefox for iOS 3,258
Reset your Master Password if you've forgotten it 3,203
Firefox no longer works with Mac OS X 10.5 3,187
Warning Unresponsive plugin - What it means and how to fix it 3,173
Change the fonts and colors websites use 3,161
Updating Thunderbird 3,131
Navigation buttons like back, home, bookmarks and reload are missing 3,060
Installing Thunderbird on Windows 3,015
Digitally Signing and Encrypting Messages 2,994
Sending and Receiving Messages on Thunderbird 2,975
Review Needed
Add, delete and view bookmarked webpages in Firefox for Android 2,974
Mozilla Crash Reporter 2,970
Archived Messages 2,950
Search the web from the address bar 2,924
Clear browsing history and cookies 2,920
Make Thunderbird the Default Mail Client 2,871
Export bookmarks to Internet Explorer 2,842
What's new in Firefox for iOS (version 3.0) 2,781
Remove websites from the Awesome Bar suggestions 2,762
I've lost my Firefox Sync account information - What to do 2,742
Addressing an Email 2,725
How to fix the Update Failed error message when updating Firefox 2,705
Sort your bookmarks to quickly find the ones you want 2,704
Pinned Tabs - keep favorite websites open and just a click away 2,606
Hyperlinks in Messages Not Working 2,563
Live Bookmarks - Subscribe to a web page for news and updates 2,552
Using the Lightning Calendar Add-on 2,516
Firefox Health Report says your browser is running slower than usual 2,509
Sync your Firefox bookmarks and browsing history in iOS 2,496
Switch from POP to IMAP account 2,490
Vacation Response 2,479
How does Firefox for Android use the permissions it requests? 2,462
Flash videos won't play full screen 2,445
Firefox Marketplace Apps Stop Working on Firefox 48+ for Windows, Mac, and Linux 2,433
Send text or multimedia messages from Firefox for Android 2,425
Find and install Add-ons on Firefox for Android 2,412
Fix "The bookmarks and history system will not be functional" error message 2,377
Set a homepage in Firefox for iOS 2,235
Important - Firefox is ending support for Windows XP and Vista 2,229
Block websites from storing site preferences or login status in Firefox 2,211
Protect your Thunderbird passwords with a Master Password 2,206
New Email Address 2,168
How to remove the Babylon toolbar, home page and search engine 2,118
Accessibility features in Firefox - Make Firefox and web content work for all users 2,116
Review Needed
How do I create a screenshot of my problem? 2,096
Re-enable add-ons that were disabled when updating Firefox 2,083
What is plugin-container 2,080
Thunderbird and Hotmail 2,064
Export bookmarks to Safari 2,060
Manage your Top Sites in Firefox for Android 1,998
Get started with Firefox for Android 1,989
What happened to the Status Bar? 1,939
What's new in Firefox for iOS 2.0 1,938
Your hardware is no longer supported 1,915
Display the Thunderbird menus and toolbar 1,896
What is the winmail.dat attachment? 1,882
How to turn off Java applets 1,876
How do I choose what types of information to sync on Firefox? 1,865
Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work? 1,864
Save web pages to your Reading List on Firefox for Android 1,851
The Add-on Bar gives you quick access to add-on features 1,844
Thunderbird and Yahoo 1,785
Review Needed
How to Subscribe to News Feeds and Blogs 1,784
Open links in the background for later viewing with Firefox for Android 1,738
Use popular search suggestions in the Firefox Search bar 1,728
Firefox Health Report - understand your Android browser performance 1,718
Uninstall Firefox for Android 1,693
Share telemetry data with Mozilla to help improve Firefox 1,683
Manage my default search engines in Firefox for Android 1,636
Download music, photos and videos 1,557
Voice input in Firefox for Android 1,557
Keyboard Shortcuts for Searching 1,531
How to reset the default user agent on Firefox 1,525
Is Firefox available for iPhone or iPad in my language? 1,520
Save web pages for later with Pocket for Firefox 1,519
Getting started with the Firefox for Android tablet browser 1,506
FAQ Changing IMAP to POP 1,501
Add social features to the Firefox sidebar 1,496
How to use a Virtual Card (vCard) 1,492
Configuration Options for Security 1,460
Where is the "Pocket for Firefox" button? 1,443
Access your add-ons with Firefox Accounts 1,438
Creating New Calendars 1,421
Copy a saved password in Firefox for Android 1,392
Rebuilding the Global Database 1,356
Tab Groups feature discontinued 1,343
View synced tabs from other devices 1,320
Changes to toolbars and window sizes are not saved 1,318
Use bookmarklets to quickly perform common web page tasks 1,291
Avoid and report Mozilla tech support scams 1,280
How can I send a large attachment? 1,275
How do I change to the desktop view in Firefox for Android? 1,272
How to add and remove bookmarks in Firefox for iOS 1,253
Tips to protect your online privacy 1,251
Unable to set Firefox as the default browser for iOS 1,246
Installing an Add-on in Thunderbird 1,238
Safe Mode Thunderbird 1,227
Review Needed
Configuration Options for Updates 1,214
Config Editor 1,196
Installing apps 1,196
Recommendations in Marketplace 1,186
Firefox is stuck in Safe Mode 1,129
Change the default language of Firefox for Android 1,121
Exporting and sharing a calendar 1,117
Using Tabs on Firefox for Android 1,109
How can I get the latest version of Thunderbird on Windows XP or Vista? 1,106
Compacting folders 1,102
Review Needed
View articles in Reader View on Firefox for Android 1,095
I can't play videos or audio on Firefox for Android 5.0 (Lollipop) 1,093
View all Hotmail or Outlook emails 1,072
Customizing the Start Page 1,069
How to Customize Toolbars 1,047
How to sync your add-ons with another copy of Firefox 1,032
PDF files are blank or cause an error message on Mac 1,032
Instant Messaging and Chat 1,023
Installing Lightning into Thunderbird 1,018
Thunderbird add-ons - frequently asked questions 1,016
The thumbnails on the New Tab page are missing - how to get them back 1,013
ISP Configuration Settings 1,009
Problems with email and how to find help 1,005
Enable or disable search engines on Firefox for iOS 989
What to do when searches take you to the wrong search website 979
Switch to a secure email provider 975
Cannot delete messages 971
Reply Above or Below Quoted Text 955
How do I install X-Ray Goggles? 948
Configuring Lightning 945
Install Firefox on your phone or tablet 945
Create secure passwords to keep your identity safe 941
Use tabs to organize lots of websites in a single window 939
Automatically close Private Tabs when leaving Private Browsing 938
Bookmark Tags - Categorize bookmarks to make them easy to find 937
Global Search 937
Getting help with your Firefox OS-based Panasonic TV 936
Firefox doesn't save web form entries 935
Windows Media or other plugins stopped working after Firefox update 927
Maildir in Thunderbird 922
Configuring Email Aliases 914
Firefox for Android displays blank web pages 914
Add-ons in Firefox for iOS 910
How to Install and Use another Language in the Dictionary on Thunderbird 907
Use the Firefox sidebar to access bookmarks, history and social features 907
Manage saved passwords in Firefox for Android 906
Share a webpage through Firefox Share 894
Firefox says it's just updated every time it starts - how to fix 893
Disable Pocket for Firefox 888
Home page with pipe character opens extra tabs when Firefox starts 876
Firefox Marketplace Apps Stop Working on Firefox 47+ for Android 875
Play videos full screen on Firefox for Android 875
Switching the folder pane view 874
Open Search 869
Configuring Certificates 864
Changing IMAP to POP 862
How to Use Attachments 861
Recalling an Email 857
How to search IMDB, Wikipedia and more from the address bar 851
Add email accounts 843
How to Customize the New Mail Sound 842
Thunderbird FAQ 840
Allow Firefox to load multiple tabs in the background 838
Enable Wi-Fi on Firefox for Android 836
Message List Columns 836
Configuration Options for Attachments 811
Firefox is no longer available for download in the T-Store 810
Mute sound in Firefox tabs 810
Change your Firefox Accounts password 808
Update to a new version 804
Viewing Desktop Sites on Firefox iOS 803
Disable Firefox Sync on a lost phone or tablet 793
Thunderbird Accessibility Features 791
Firefox release notes - What's New and Known Issues 782
Change your Firefox search settings on Windows 10 772
Uninstall Firefox for iOS 765
Log in to Pocket with your Firefox Account 759
Quick Filter Toolbar 733
Review Needed
Use the Awesome Screen to search the web, bookmarks and more 718
Frequently Asked Questions 707
Calendar (Lightning and Sunbird) FAQ 697
Get help with Webmaker for Android 696
Enable or disable cookies on Firefox for Android 686
Where to go for developer support 681
Configuration Options for Sending Messages 674
Changing calendar preferences 668
Thunderbird Software Update Failed 667
Why is there an OpenH264 plugin in Firefox? 657
Print a web page from Firefox for Android 643
Add search engines to Firefox for iOS 629
Search Firefox instantly on your Android home screen 615
Use mouse shortcuts to perform common tasks in Firefox 602
Clear your search history in Firefox Search 600
Certificate warnings in Firefox for iOS 598
Remove Top Sites from the Firefox for iOS home screen 597
Creating a new event or task 595
Adding a holiday calendar 590
Message Tabs 590
Save passwords in Firefox for Android 588
Inviting Other People to Events 582
Add the Firefox Search widget to your home screen 577
How to stay safe on the web 570
Thunderbird and Logjam 560
Change your default search engine in Firefox for iOS 559
Connect to Wi-Fi or data 554
Restore the default Smart Bookmarks Folders 550
Pages appear tiny when I print or view them in Print Preview 546
Using Master Password on Firefox for Android 536
Scan QR codes in Firefox for Android 535
Advanced panel - System, network, updates, and other advanced settings in Thunderbird 533
Configure Origin Address for Multiple Gmail Accounts 514
Uninstall Thunderbird from your computer 511
Using a master password with Sync 501
Mobile Accessibility Features 499
Firefox Sync upgrade - Frequently Asked Questions 497
How do I quit Firefox for Android? 497
Set up a passcode and Touch ID in Firefox 491
FAQ Thunderbird and Windows 7 481
Full screen browsing on Android 477
Change the look of Firefox for Android using themes 470
Share your Android device with a Firefox Guest Session 458
Display name in message list and message pane 455
Share pages with Firefox from other browsers 449
Configuration Options for Writing Messages 446
Change the default language on Firefox for iOS 443
Improve Mozilla Location Services by turning on Location Services in the Firefox for Android Settings 443
Sign up for Pocket with your Firefox Account 443
Configuration Options for Accounts 439
Awesome Screen on iOS - access search and favorite sites in one place 438
Thunderbird Crashes 432
What is my Firefox OS version? 431
Firefox family-friendly browsing in a restricted profile 426
How do I share Firefox between people on a computer? 424
How do I use Do-not-track on Firefox for Android? 412
Identify noisy tabs in Firefox for Android 411
Calls and voicemail 407
Configuration Options for Filtering Messages 404
Lightning User Interface 399
Change the tab list view in Firefox for iOS 397
Why does Thunderbird warn me that my server doesn't use encryption? 396
How to hide the tab strip when you only have one tab 394
Names but no Email Addresses are Displayed 383
Manage photo and video gallery 382
How can I use Thimble to teach myself to code? 378
Suspicious activity on my Firefox Account 377
Review Needed
Zoom in and out of websites on Firefox for Android 371
Glossary of Terms including types of Accounts 369
Configuration Options for Receiving Messages 368
Thunderbird and Comcast 366
Using Identities 366
Web pages aren't displaying properly in Firefox for Android 366
Manage saved passwords in Firefox for iOS 364
Thunderbird and AT&T 364
Get started with Firefox OS 357
Use tabs in Firefox for iOS 346
Search and discover content 345
Set Date and Time 342
How to add a shortcut to a website on Android 337
Creating a Newsgroup Account 336
Navigation bar in Firefox for iOS 334
Add, manage and share contacts 327
Configuration Options for Character Encoding 309
ISP Database 306
Print List of Messages 301
Recover lost bookmarks on Firefox Developer Edition 294
Hardware acceleration and WindowBlinds causes Firefox to crash 287
Uninstall Firefox for Android add-ons 287
Send and manage email 286
Firefox crashes - asking for support 269
Uninstall apps 267
Thunderbird’s Scam Detection 259
Configuration Options for Tags 255
Viewing All Body Parts 248
Message Tags - Categorize your email in Thunderbird 242
Add Search Engine to Open Search 241
Using Saved Searches 240
Tips for safe online shopping 239
Search within a web page in Firefox for iOS 237
Configuration Options for Search 236
How to use TalkBack support in Firefox for Android for accessibility 234
Menu Reference TB 234
New in Thunderbird 31.0 232
Test Pilot - try Firefox's experimental features 231
Mobile-Optimized Websites in the Marketplace 228
How can I help by submitting mobile performance data? 227
Add Firefox to the Today view on your iOS device 226
Change the wallpaper 226
Thunderbird and Windows 8 219
Privacy and Security on Firefox OS 218
Control screen brightness 211
Mozilla Crash Reporter TB 211
View data usage 211
Add web pages to your Reading List on Firefox for iOS 210
View web pages in Reader View 205
Send messages 204
Control notifications in Firefox for Android 200
Facebook import error on ZTE Open 200
Scrollable tabs on the Firefox for Android home screen 199
How do I inspect and edit my first web page? 198
Configuration Options for Add-ons 197
Record Videos 196
Share music, videos and photos 196
How do I submit a bug for Firefox sync? 191
Troubleshoot Firefox OS 190
How to save a page as a PDF on Firefox for Android 183
Turn off web fonts in Firefox for Android 178
Block or load images over WiFi on Firefox for Android 177
What is X-Ray Goggles? 177
Play and manage music 175
Find My Device for Firefox OS 173
Norton Toolbar won't work with Firefox version 41 173
Working with events 171
Share your Internet connection 168
Lastpass was disabled after updating Firefox 166
Pre-8.1 versions of Websense cause startup crashes in Firefox 166
Visit websites on Firefox OS 158
Dual SIM cards 156
Use gestures in Firefox for Android 156
Switch or quit apps 154
Setting the Screen Lock 152
Keyboard settings 150
Preview pages on your tab list with 3D Touch 148
Why do I see a message asking if I want to see the page hosted on HTTPS? 148
Adding music 145
Email notifications and inbox sync 143
Streaks, smeared lines or blurry web pages while scrolling on Firefox 142
Using the Call Log 141
FAQ AOL email Sent Folder 139
Slow down Firefox for Android's scroll speed 138
Set up a feed on Firefox for Android 136
Navigating your Firefox OS phone 130
Thunderbird is stuck in Safe Mode 130
What is Thimble? 128
Share files using Bluetooth 127
Changing the Date or Time of an Event 125
Ringer, sound and vibrate settings 118
Get help with Firefox Developer Edition 117
How can I insert a selfie into my Thimble project? 117
Save battery power 111
Do not track on Firefox OS 109
Creating a recurring event 106
Fix Gmail password errors 105
Using the camera 99
What is a Mozilla Backpack? 99
New Test Pilot experiments 98
Use Firefox Accounts to manage your Marketplace apps 97
Help with Marketplace purchases 93
Thunderbird and Sympatico 90
Am I really hacking a web page? 89
Thunderbird makes unrequested connections 89
No SMS after switching from iPhone 87
Take screenshots 86
Share browser windows or your screen with sites you trust 81
How do I share things from Firefox for Android? 78
Listen to the radio 78
Set alarm clock 73
Add and manage calendars 72
Contact Firefox OS carrier support 72
How can I get help with my X-Ray Goggles project? 71
How can I share my Thimble projects? 71
Klar - Content blocking app for Safari 69
Plugin Crash Reports TB 69
Unable to log in to websites that use signText on Firefox 64
Where can I earn badges? 63
Where can I go for help and support? 61
Set your SIM PIN 58
Tracking protection in Firefox OS 54
Send performance data to Mozilla 51
How do I share the badges I've earned? 50
Rate your Firefox experience (Heartbeat) 50
Configuration Options for Identity 48
Where can I go for support? 48
How can I get help with my Thimble project? 47
Can I create a single account for all of the students in my classroom to use? 46
How do I add code comments to a Thimble project? 44
My Mac won't shut down after updating to Firefox version 45 42
How do I create a project with multiple files? 40
What's new in Firefox for Android 40
Turn on Airplane Mode 38
Update Accuweather or Wikipedia 38
Do I need an account to publish a project using X-Ray Goggles? 34
How can I personally display Open Badges? 34
How do I embed a tutorial into my Thimble project? 34
How to improve HKSCS localization on Firefox on Windows XP 33
Do I need an account to publish a project using Thimble? 30
How can I use Thimble in my classroom or out-of-school learning environment? 30
Change the default search in Firefox Focus 29
What is Mozilla's Open Badges project? 28
Set Screen timeout 27
Get involved with the Open Badges Community 23
How can I access projects I made with an older version of Thimble? 22
Can I print a tip sheet with X-Ray Goggles shortcuts for an event? 21
How can I contribute to the Thimble project? 21
How do I report a Thimble bug? 21
Check the battery level 20
Re-enable multi-process support disabled by Windows utilities 20
Is there Open Badges research available? 19
What is search hijacking? 19
What's new in the August 31, 2015 release? 19
Where can I find community research on Open Badges? 19
The call log won't finish loading 18
How to Unsubscribe from a Mozilla newsletter, such as Firefox & You 16
What is a badge? 14
What is Mozilla BadgeKit? 14
What is BadgeKit? 13
Why Open Badges? 13
Are all my badges public? 12
Where can I go for technical help? 11
Open Badges Calls 9
What is the Open Badges Infrastructure? 9
Is BadgeKit ready now? 8
Where is technical documentation for BadgeKit? 8
Why did we create Mozilla BadgeKit? 8
What is included in BadgeKit? 6
How do I become an issuer? 5
Who is BadgeKit for? 5
Hide the back, forward, reload, bookmark button in the right click context menu 4
How does my organization become a displayer of Open Badges? 4
Connect your Firefox OS device with a Computer 2
Who else is issuing Open Badges? 2
Fixing Flash issues in Firefox