Settings Manage and customize your product experience with settings, add-ons, and more. In English About Add-on Badges View site information with Page Info Manage local site storage settings Make Firefox your default browser on Windows Access AI chatbots in Firefox Thunderbird and Junk / Spam Messages Use the sidebar to access tools and vertical tabs Customize items on your Firefox New Tab page Connection settings in Firefox Web Push notifications in Firefox Scan QR codes in Firefox for iOS Global Privacy Control Customize Firefox controls, buttons and toolbars How to manage your camera and microphone permissions with Firefox Make Firefox your default browser Automatically fill in credit card and payment method data on Web forms Firefox's performance settings Firefox Password Manager - Alerts for breached websites Watch DRM content on Firefox Change Firefox options, preferences and settings Back up and restore information in Firefox profiles Recover lost or missing Bookmarks Personalized extension recommendations Manage marketing data settings in Firefox for Android Automatically fill in your address on web forms Firefox translation for Android Export Firefox bookmarks to an HTML file to back up or transfer bookmarks Compacting folders How to set up Firefox Sync in Firefox for Android Restore bookmarks from backup or move them to another computer Restore the Menu bar in Firefox Sponsors on the home page and New Tab page How to set the home page Refresh Firefox - reset add-ons and settings Filelink for Large Attachments Import settings and data into Thunderbird Recommendations from Firefox JavaScript settings and preferences for interactive web pages Turn picture-in-picture mode controls on and off Open Firefox automatically when you start your computer Import bookmarks and other data from Google Chrome Thunderbird and Gmail Manage my default search engines in Firefox for Android Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window Firefox Translation Setting Firefox as the default browser does not work - What to do Sync bookmarks, tabs, history and passwords on Android How to disable the Enterprise Roots preference Use Firefox in another language Legacy browser support extension for Windows Usernames and passwords are not saved Signatures Allow or block media autoplay in Firefox Control audio or video playback with your keyboard Manage your extensions using the extensions button in the toolbar Control whether Firefox automatically fills in forms Find and install extensions on Firefox for Android Import data from another browser Getting Started with the Thunderbird main window (Supernova and newer) How do I restore my tabs from last time? Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings Multi-Account Containers Get started with the Mozilla VPN extension Font size and zoom - increase the size of web pages Manage Firefox search settings Add-ons in Firefox for iOS An extension changed my New Tab page or home page The difference between IMAP and POP3 Tips for assessing the safety of an extension How to change the Thunderbird layout Customize Date and Time formats in Thunderbird On-device AI models in Firefox Extension data collection Use Firefox in Full Screen mode Customize Firefox Home on iOS Message threading in Thunderbird - keep messages grouped by conversation Manage file types and download actions in Firefox Use bookmark folders to organize your bookmarks Add the Search bar to your Firefox toolbar Setup your email account for using End-To-End Encryption Import settings and data into Thunderbird for Android How do I use the Firefox spell checker? Switch from Chrome to Firefox Compact mode workaround in Firefox Get started with Thunderbird Gmail and Thunderbird for Android Change the fonts and colors websites use Configuration Options for Accounts Display the Thunderbird menus and toolbar Import login and password data from a file How to opt out of studies on Firefox for Android Import Bookmarks from an HTML file Use the Firefox Sidebar to access bookmarks, history and synced tabs Choose display languages for multilingual web pages Why does Mozilla disable some add-ons from running in Firefox? Change the program used to open email links Thunderbird add-ons - frequently asked questions How to restore a browsing session from backup How do I change my DNS settings? Thunderbird and Exchange Restore previous session - Configure when Firefox shows your most recent tabs and windows Profile Manager - Create and remove Thunderbird profiles Manage notifications in Firefox for Android Change website appearance settings in Firefox Getting started with Thunderbird for Android Reset Firefox preferences to troubleshoot and fix problems IMAP Synchronization Use multiple profiles in Thunderbird Set Firefox Focus as default browser on Android Install themes to change the look of Thunderbird Manage optional permissions for Firefox extensions Add alt text to images in your PDFs using Firefox Configure push email for Thunderbird for Android Import Bookmarks and other data from Microsoft Edge Add or remove a search engine in Firefox Turn on/off saved logins, login sync and login autofill in Firefox for Android Recommended Firefox privacy and security settings for families Firefox Suggest for Mobile Export bookmarks to Safari FAQ Changing IMAP to POP Switch from POP to IMAP account Customize the Firefox home screen Autocomplete web addresses in the URL bar in Firefox Focus for iOS Dedicated profiles per Firefox installation Set up Certificate Authorities (CAs) in Firefox How to pin and unpin Firefox from the taskbar on Windows 10 and Windows 11 Grant camera access to Firefox for Android How to opt out of studies on Firefox for iOS Quick actions in the Firefox search bar Cannot remove an add-on (extension or theme) Audio and video files in Firefox Tab preferences and settings Make Thunderbird the Default Mail Client How to Subscribe to News Feeds and Blogs How to reset the default user agent on Firefox Installing an Add-on in Thunderbird Manage saved passwords in Firefox for Android Access your add-ons with a Mozilla account Advanced panel - System, network, updates, and other advanced settings in Thunderbird Built-in themes in Firefox - alternative to complete themes Add search engines in Firefox Focus for iOS Print simplified, clutter-free pages in Firefox Access hidden tabs in Firefox Add trusted websites to your allow list in Firefox Focus Manage Firefox updates Protect your container tabs with Mozilla VPN Playing videos in Firefox for Android Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN HTTPS-Only Mode in Firefox Focus for Android Thunderbird Mobile Telemetry Disable Mozilla VPN protection for a specific website Changes to toolbars and window sizes are not saved What to do if you can't download or save files How to disable or change the Thunderbird start page Get help with Firefox Developer Edition Maildir in Thunderbird Scan QR codes in Firefox for Android Manage saved passwords in Firefox for iOS Add a search engine to Firefox Focus for Android Security panel - Junk, scam, antivirus, and password settings in Thunderbird Search suggestions in Firefox Focus for iOS Assign shortcuts to search engines Manage extension shortcuts in Firefox Collections in Firefox Firefox Browser welcome pages - helping you get more from Firefox products and services Importing Safari data into Firefox Manage Firefox with Microsoft Endpoint Manager (Intune) Tab context menu Set Firefox for Android to open links in native apps How to configure Close Tab warnings in Firefox Enable light or dark mode in MDN Site Permission Add-ons Unified Toolbar Block links from opening in external apps A program on your computer interferes with the Mozilla VPN extension Manage the Mozilla VPN extension preferences How to search IMDB, Wikipedia and more from the address bar How do I change to the desktop view in Firefox for Android? Creating a Newsgroup Account Message List Columns Thunderbird makes unrequested connections Config Editor How to Install and Use another Language in the Dictionary on Thunderbird How to Customize the New Mail Sound How to Customize Toolbars Uninstall Firefox for Android extensions Thunderbird and Logjam Voice input in Firefox for Android Change the default language on Firefox for iOS Set Firefox as the default browser for iOS Set Firefox Lite as your default browser Remove a search engine in Firefox Focus for Android Autocomplete settings in the Firefox Focus address bar How is Facebook Container different from Multi-account Containers? Customize Firefox using AutoConfig Customize Firefox using policies.json Feed reader replacements for Firefox Unable to install add-ons (extensions or themes) in Thunderbird Getting started with the Thunderbird main window Disable high contrast mode in Firefox Make Firefox for Enterprise the default browser Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix Change your two-step authentication device for your Mozilla account Firefox for Enterprise Kiosk mode Use Web Apps with Firefox for Android Automatically fill in credit card information on Firefox for Android Exclude applications from Mozilla VPN protection Choose your opening screen for Firefox for iOS My default search engine changed after updating Firefox How to move the address bar in Firefox for iOS Change your wallpaper in Firefox for Android Domains to allow for Firefox Turn off ads on MDN Plus How to automatically label your new email masks userChrome.css and .js and userContent are unsupported Thunderbird Matrix Chat FAQ Global Privacy Control in Firefox for Android Enable or disable Local Network Access on iOS Choose your preferred PDF viewer in Firefox New in Thunderbird for Android version 8 Orbit Frequently Asked Questions New in Thunderbird for Android Restore the default Smart Bookmarks Folders Block and unblock websites with parental controls on Firefox How to fix preferences that won't save Pop-up blocker settings, exceptions and troubleshooting Firefox doesn't save web form entries Change the default language of Firefox for Android Share data with Mozilla to help improve Firefox Closing multiple Tabs - option to disable warning How to disable the built-in PDF viewer and use another viewer Using Dark Theme in Firefox for Android How do I quit Firefox for Android? Names but no Email Addresses are Displayed Configuration Options for Identity Configuration Options for Tags Configuration Options for Attachments Certificates Block a sender Installing Thunderbird on Ubuntu Linux Add Search Engine to Open Search Instant Messaging and Chat Installing and Using another Language in the Dictionary Customize your New Tab page to hide or display content Enable or disable search engines on Firefox for iOS Save passwords in Firefox for Android Add Firefox to the Today view on your iOS device Re-enable multi-process support disabled by Windows utilities Set a homepage in Firefox for iOS Change the default email program in Firefox for iOS Turn search suggestions on or off on Firefox for iOS New Tab settings in Firefox for iOS File system paths on Linux are always treated as UTF-8 Privacy panel - Remote content and cookie settings in Thunderbird How to add the translate add-on to Firefox How to replace Google Assistant with a Firefox search Add shortcuts to websites on your home screen Facebook Container isn't working Block cookies in Firefox Focus for Android Customize Firefox using Group Policy (Windows) Change themes in Firefox for iOS Firefox starts automatically when I restart Windows Firefox Focus main Menu How to use collections on addons.mozilla.org Debugging policy issues Change Firefox Lite to Night Mode Manage policies on macOS desktops Privacy settings in Firefox for Enterprise Enforce policies on Firefox for Enterprise See active policies on Firefox for Enterprise Where can I find a list of policies for Firefox for Enterprise? Managing policies on Linux desktops Will policies I set work if users already installed Firefox? Review installed extensions Dangerous directories Customize Firefox on macOS using configuration profiles Move the navigation bar to the top or bottom of the app in Firefox for Android Using Dark Theme in Firefox for iOS About Picture-in-Picture in Firefox My privacy settings were changed from Custom to Standard Change Firefox Lite themes Edit top sites on Firefox Lite home screen Firefox Lite enhanced search with Awesome bar What's new in Firefox Lite (version 2.5) Turn push notifications on or off in Firefox for iOS Add a Firefox widget to your Home screen Auto-close open tabs in Firefox for Android End of support for Adobe Flash Remove the Other Bookmarks folder from the Bookmarks Toolbar Mozilla Voice Server Proxy Retiring View and control data collected by Mozilla VPN Unable to uninstall add-ons (extensions or themes) Text Encoding no longer available in the Firefox menu panel OpenPGP Recipient Alias Configuration Set Firefox as your default browser from the notification panel on Android Set Firefox Focus as the default browser for iOS View recently saved bookmarks from your homepage on Firefox for iOS View bookmarks on your home screen Change your theme in Firefox Focus for Android Change your theme in Firefox Focus for iOS Personalize Firefox with colorways The language of the websites I visit changes when I turn Mozilla VPN on - What to do Install the Firefox Relay extension on Firefox for desktop View articles recommended by Pocket on your Firefox for iOS homepage Add a search engine to Firefox klar for Android Remove a search engine in Firefox Klar for Android Autocomplete settings in the Firefox Klar address bar How file downloads are handled in Firefox Change your wallpaper in Firefox for iOS Receive only important emails sent through your masks with Firefox Relay Premium Change site permissions in Firefox Focus for Android Change site permissions in Firefox Klar for Android Automatically fill in your address on web forms in Firefox for Android Manage your Mozilla account newsletter and email preferences How do I block phone calls or texts to my Relay Phone mask? Mozilla VPN message center How to disable the Firefox Relay autofill icon on online fields and websites What should I do if I'm redirected to the Firefox Relay FAQ when clicking a link within an email? Upgrading from an older version of Thunderbird X-Mouse Button Control in Firefox 110 Install the Firefox Relay extension in Firefox for Android How do I change my Privacy features? Why aren’t my add-ons working on some websites? What languages is Mozilla VPN available in? Autofill Credit Cards in Firefox for iOS In what languages is Firefox Relay available in? How to delete an email mask Address autofill on Firefox Multiwindow support on iPad for Firefox Notifications in Thunderbird Change your location for a specific website How will DNS work when using the VPN extension? What to do if another extension interferes with the Mozilla VPN extension Customize your wallpapers Manage your Monitor notifications Customize your Firefox app icon on iOS Use Firefox VPN in Firefox Stop screen brightness from dimming in Thunderbird for Android Wrong home page opens when I start Firefox - How to fix Set Firefox as your default browser on Android