How to
- Replying to email on Firefox OS
- Reply to forwarded emails with Firefox Relay Premium
- Report breakage due to blocking
- Reporting extensions and themes for abuse
- Reset Firefox – easily fix most problems
- Reset Firefox preferences to troubleshoot and fix problems
- Resetting preferences
- Reset your Firefox Account password with Recovery Keys
- Reset your Mozilla account password with Recovery Keys
- Resist Fingerprinting
- Resize the Firefox Reality window to full screen or focus view
- Restore bookmarks from backup or move them to another computer
- Restore previous session - Configure when Firefox shows your most recent tabs and windows
- Restore the Menu bar in Firefox
- Return to your Firefox for Fire TV home screen
- Review installed extensions
- Ringer, sound and vibrate settings
- Risks of downgrading to an older version of Firefox on a shared profile Redirect 1
- Room capacity limits in Hubs
- Run Firefox on ChromeOS
- Running Firefox on game consoles and music players
- Running Firefox on mobile devices
- Safari Integration in Firefox iOS
- Safe browsing in Firefox Focus
- Safe browsing in Firefox Klar
- Safe Mode
- Safe Mode TB
- Safe Mode Thunderbird
- Safe Mode Thunderbird Redirect 1
- Save articles for later on Firefox for Android
- Save battery power
- Save passwords in Firefox for Android
- Save to (or bookmark) and remove links from your home screen
- Save to Pocket from your clipboard
- Save web pages as PDF in Firefox for Android
- Save web pages as PDF in Firefox for iOS
- Save web pages as PDFs in Firefox for iOS
- Save web pages for later with Pocket for Firefox
- Save web pages for later with Pocket on Firefox
- Save web pages to your Firefox Reading List on Android
- Save web pages to your Reading List on Firefox for Android
- Saving a web page
- Saving from subscription-based sites
- Saving from Subscription-based Sites Redirect 1
- Saving to Pocket from Apple News
- Saving to Pocket manually
- Saving to Pocket Manually Redirect 1
- Saving to Pocket on Android
- Saving to Pocket on iOS
- Saving to Pocket via Email Redirect 1
- Scan QR codes in Firefox for Android
- Scan QR codes in Firefox for iOS
- Screenshot categories in Firefox Lite
- Screenshot categories in Firefox Rocket
- Scrollable tabs on the Firefox for Android home screen
- Scroll though your tabs quickly
- Scroll through your tabs quickly
- Search and discover content
- Search and Find tools in Firefox for Android
- Search bar
- Search bar - add, change and manage search engines on Firefox
- Search bar - Easily choose your favorite search engine
- Search Firefox instantly on your Android home screen
- Searching for tags with Pocket Premium
- Searching in Pocket for Android
- Searching in Pocket on your computer
- Searching with Firefox for Android
- Searching within a page
- Search in on Firefox for Android
- Searchin on Firefox for Android
- Search open tabs in Firefox
- Search suggestions
- Search suggestions in Firefox
- Search suggestions in Firefox Focus for Android
- Search suggestions in Firefox Focus for iOS
- Search suggestions in Firefox Klar for Android
- Search suggestions in Firefox Klar for iOS
- Search the web, bookmarks and browsing history
- Search the web from the address bar
- Search the Web on Firefox
- Search the web on Firefox OS
- Search within a web page in Firefox for iOS
- Search with the Firefox address bar
- Search your bookmarks, history and tabs with the Awesome Bar
- Search your browing history and bookmarks in Firefox for Android
- Search your browsing history and bookmarks in Firefox for Android
- Search your browsing history in Firefox for iOS
- Secure Firefox passwords with device sign-in
- Secure website certificate
- Secure your Firefox Account with two-step authentication
- Secure your Mozilla account with two-step authentication
- Security and passwords settings
- Security panel - Junk, scam, antivirus, and password settings in Thunderbird
- See active policies on Firefox for Enterprise
- Send and manage email
- Send and receive files using Bluetooth
- Send anonymous usage data from Firefox on mobile devices
- Send a tab from Firefox for iOS to another device
- Send a tab from Firefox for iOS to your computer
- Send a tab from Firefox Preview to another device