How to
- How to use the Messages app
- How to use virtual card (vCard)
- How to use your Call log
- How to zoom in and out in mobile Firefox
- HTML5 audio and video in Firefox
- HTTPS-Only Mode in Firefox
- HTTPS-Only Mode in Firefox Focus for Android
- HTTPS-Only Mode in Firefox for Android
- HTTPS-Only Mode in Firefox Klar for Android
- HTTPS-Only Mode in Firefox Redirect 1
- I can't print when Mozillla VPN is on
- I can't print wirelessly when Mozillla VPN is on
- I can't sign in to Mozilla VPN - What should I do?
- I can't sync my bookmarks on Firefox for iOS
- Ideascale - Managing account data
- Identify noisy tabs in Firefox for Android
- I did it! My event was a success! How can we celebrate?
- I forgot my Firefox Account password and I can't log into Mozilla VPN
- I forgot my Firefox Account password and I can't log in to the Hubs dashboard
- I forgot my Mozilla account password and I can't sign in to Mozilla VPN
- I forgot my Password for Firefox Account and I can't log into MDN Plus
- I forgot my Password for Mozilla account and I can't sign in to MDN Plus
- I forgot my Password for Mozilla account and I can't sing in to MDN Plus
- I made something amazing, how do I get it featured on the homepage?
- IMAP Synchronization
- I'm having problems confirming my Firefox Account
- I'm having problems confirming my Mozilla account
- I'm having problems confirming my new Firefox Account
- I'm having problems with my Firefox account
- I'm having problems with my Mozilla account
- I’m having trouble signing into Mozilla VPN with my Firefox account
- I'm inspired! How can I teach others to make the web?
- Import, add and manage contacts on Firefox OS
- Important: Firefox ending support for Windows XP and Vista
- Important - Firefox has ended support for Windows XP and Vista
- Important - Firefox is ending support for Windows XP and Vista
- Important! Firefox is ending support for Windows XP and Vista
- Important - macOS 10.9, 10.10 and 10.11 users move to Extended Support Release
- Import bookmarks and other data from Google Chrome
- Import Bookmarks and other data from Internet Explorer or Microsoft Edge
- Import Bookmarks and other data from Microsoft Edge
- Import Bookmarks and personal data from another browser
- Import Bookmarks from a HTML file
- Import Bookmarks from an HTML file
- Import Bookmarks from an HTML file Redirect 1
- Import bookmarks from Google Chrome
- Import Bookmarks from Internet Explorer
- Import Bookmarks from Internet Explorer or Microsoft Edge
- Import bookmarks to Firefox for Android
- Import data from another browser
- Import Favorites and other data from Internet Explorer
- Import Favorites from Internet Explorer
- Importing bookmarks and other data from Flock
- Importing bookmarks and other data from Mozilla Application Suite
- Importing bookmarks and other data from Netscape
- Importing bookmarks and other data from Opera
- Importing bookmarks and other data from other browsers
- Importing bookmarks and other data from Safari
- Importing bookmarks and other data from SeaMonkey
- Importing Bookmarks from an HTML File
- Importing bookmarks from Google Chrome
- Importing bookmarks to Firefox for Android
- Importing favorites and other data from Internet Explorer
- Importing Internet Explorer Favorites from another computer
- Importing Safari data into Firefox
- Importing your links into Pocket
- Import login and password data from a file
- Import login data from a file
- Import password data from a file
- Import settings and data into Thunderbird
- Import settings and data into Thunderbird for Android
- Import settings or data into Thunderbird
- Improve Mozilla Location Services by turning on Location Services in the Firefox for Android Settings
- I need help making something, where do I begin?
- I need help with my Webmaker account
- Information for EU, EEA, and Swiss users
- Information for EU, EEA, Swiss and California users
- Information for EU, EEA, Swiss, California, Connecticut, Virginia and Utah users
- Insecure connection password warning in Firefox
- Insecure password warning in Firefox
- Inspecting and remixing your first web page
- Install add-ons on Firefox for Enterprise
- Install Android apps using the Marketplace
- Install an older version of Firefox
- Install an older version of Firefox Redirect 1
- Install apps on Firefox OS
- Install Firefox Lockwise on Android
- Install Firefox Lockwise on iOS
- Install Firefox on an Android device using Google Play
- Install Firefox on Linux
- Install Firefox on Mac
- Install Firefox on Windows
- Install Firefox on your iPad, iPhone or iPod
- Install Firefox on your phone or tablet
- Install Firefox Reality
- Installing an Add-on in Thunderbird
- Installing and Using another Language in the Dictionary
- Installing apps
- Installing a previous version of Firefox
- Installing Firefox