Settings Manage and customize your product experience with settings, add-ons, and more. In English Add-on Badges Make Firefox your default browser on Windows Firefox Page Info window Firefox options, preferences and settings Thunderbird and Junk / Spam Messages Manage local site storage settings Connection settings in Firefox Automatically fill in credit card and payment method data on Web forms Back up and restore information in Firefox profiles Firefox's performance settings Personalized extension recommendations Firefox translation for Android Customize Firefox controls, buttons and toolbars Pop-up blocker settings, exceptions and troubleshooting Automatically fill in your address on web forms Restore the Menu bar in Firefox Export your Thunderbird Profile Change your default search settings in Firefox Filelink for Large Attachments Multi-Account Containers Global Privacy Control Add-ons in Firefox for iOS Tips for assessing the safety of an extension Manage my default search engines in Firefox for Android How to manage your camera and microphone permissions with Firefox Allow or block media autoplay in Firefox JavaScript settings and preferences for interactive web pages Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window Make Firefox your default browser Message threading in Thunderbird - keep messages grouped by conversation Manage your extensions using the extensions button in the toolbar Recover lost or missing Bookmarks Open Firefox automatically when you start your computer Switch from Chrome to Firefox How to set the home page Add the Search bar to your Firefox toolbar Use the Firefox Sidebar to access bookmarks, history and synced tabs How to disable the Enterprise Roots preference Disable or re-enable Pocket for Firefox How to set up Firefox Sync in Firefox for Android Compacting folders Signatures Turn picture-in-picture mode controls on and off Compact mode workaround in Firefox How to restore a browsing session from backup Gmail and Thunderbird for Android Font size and zoom - increase the size of web pages How do I restore my tabs from last time? Cannot remove an add-on (extension or theme) Manage optional permissions for Firefox extensions Restore previous session - Configure when Firefox shows your most recent tabs and windows Import settings and data into Thunderbird Legacy browser support extension for Windows An extension changed my New Tab page or home page Manage notifications in Firefox for Android Control audio or video playback with your keyboard View PDF files using Firefox’s built-in viewer Archived Messages Add or remove a search engine in Firefox Customize your wallpapers How to opt out of studies on Firefox for Android Customize Date and Time formats in Thunderbird Scan QR codes in Firefox for Android Secure Firefox passwords with device sign-in Usernames and passwords are not saved Accessibility features in Firefox - Make Firefox and web content work for all users Customize your New Tab page to hide or display content Move the navigation bar to the top or bottom of the app in Firefox for Android Change the fonts and colors websites use Setting Firefox as the default browser does not work - What to do How to disable or change the Thunderbird start page Use multiple profiles in Thunderbird How to create and use mailing lists on Thunderbird Configuration Options for Accounts Manage saved passwords in Firefox for iOS How to configure Close Tab warnings in Firefox Search with the Firefox address bar Customize the Firefox home screen Collections in Firefox Turn on/off saved logins, login sync and login autofill in Firefox for Android Importing Safari data into Firefox Change website appearance settings in Firefox Install the Pocket extension in your browser Add alt text to images in your PDFs using Firefox Import settings and data into Thunderbird for Android Use bookmark folders to organize your bookmarks What to do if you can't download or save files Manage file types and download actions in Firefox How do I use the Firefox spell checker? Share data with Mozilla to help improve Firefox Config Editor Display the Thunderbird menus and toolbar Advanced panel - System, network, updates, and other advanced settings in Thunderbird Scan QR codes in Firefox for iOS Customize Firefox using policies.json Manage Firefox updates Manage extension shortcuts in Firefox About Picture-in-Picture in Firefox Add a Firefox widget to your Home screen Choose your preferred PDF viewer in Firefox Configure push email for Thunderbird for Android FAQ Changing IMAP to POP Thunderbird add-ons - frequently asked questions Message List Columns How to Subscribe to News Feeds and Blogs Use Firefox in another language Voice input in Firefox for Android Customize Firefox using Group Policy (Windows) Recommendations from Firefox Install themes to change the look of Thunderbird Dedicated profiles per Firefox installation Firefox for Enterprise Kiosk mode Change your wallpaper in Firefox for Android Thunderbird Android Telemetry How to fix preferences that won't save Tab preferences and settings Find and install extensions on Firefox for Android Using Dark Theme in Firefox for Android Open Search Access your add-ons with a Mozilla account How is Facebook Container different from Multi-account Containers? Customize Firefox using AutoConfig Firefox starts automatically when I restart Windows Choose display languages for multilingual web pages Where can I find a list of policies for Firefox for Enterprise? Protect your container tabs with Mozilla VPN Firefox Browser welcome pages - helping you get more from Firefox products and services Dangerous directories Pocket sponsored stories on new tabs Use Web Apps with Firefox for Android Set Firefox for Android to open links in native apps End of support for Adobe Flash Choose your opening screen for Firefox for iOS How file downloads are handled in Firefox Block and unblock websites with parental controls on Firefox Change the program used to open email links HTML5 audio and video in Firefox How do I quit Firefox for Android? Creating a Newsgroup Account Names but no Email Addresses are Displayed Hyperlinks in Messages Not Working Configuration Options for Attachments Uninstall Firefox for Android extensions Installing an Add-on in Thunderbird Enable or disable search engines on Firefox for iOS Change the default language on Firefox for iOS Turn search suggestions on or off on Firefox for iOS Print simplified, clutter-free pages in Firefox Privacy panel - Remote content and cookie settings in Thunderbird Access hidden tabs in Firefox Unable to install add-ons (extensions or themes) in Thunderbird Disable high contrast mode in Firefox See active policies on Firefox for Enterprise Set up Certificate Authorities (CAs) in Firefox Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix Review installed extensions Manage Firefox with Microsoft Endpoint Manager (Intune) Grant camera access to Firefox for Android Unable to uninstall add-ons (extensions or themes) How to opt out of studies on Firefox for iOS Automatically fill in your address on web forms in Firefox for Android Manage your Mozilla account newsletter and email preferences Domains to allow for Firefox Upgrading from an older version of Thunderbird Firefox Suggest for Mobile Block links from opening in external apps Multiwindow support on iPad for Firefox New in Thunderbird for Android version 8 Notifications in Thunderbird Restore the default Smart Bookmarks Folders Changes to toolbars and window sizes are not saved Firefox doesn't save web form entries Change the default language of Firefox for Android Closing multiple Tabs - option to disable warning How to disable the built-in PDF viewer and use another viewer Configuration Options for Identity Configuration Options for Tags Certificates Block a sender How to Install and Use another Language in the Dictionary on Thunderbird Installing Thunderbird on Ubuntu Linux How to Customize the New Mail Sound Instant Messaging and Chat Installing and Using another Language in the Dictionary How to Customize Toolbars Manage saved passwords in Firefox for Android Customize Firefox Home on iOS Save passwords in Firefox for Android Set Firefox as the default browser for iOS Add Firefox to the Today view on your iOS device Set a homepage in Firefox for iOS Change the default email program in Firefox for iOS Built-in themes in Firefox - alternative to complete themes New Tab settings in Firefox for iOS Security panel - Junk, scam, antivirus, and password settings in Thunderbird How to replace Google Assistant with a Firefox search Change themes in Firefox for iOS Feed reader replacements for Firefox How to use collections on addons.mozilla.org Debugging policy issues Assign shortcuts to search engines Manage policies on macOS desktops Privacy settings in Firefox for Enterprise Enforce policies on Firefox for Enterprise Managing policies on Linux desktops Will policies I set work if users already installed Firefox? Make Firefox for Enterprise the default browser How to fix Pocket login issues Change your two-step authentication device for your Mozilla account Playing videos in Firefox for Android Customize Firefox on macOS using configuration profiles My privacy settings were changed from Custom to Standard Tab context menu Turn push notifications on or off in Firefox for iOS Auto-close open tabs in Firefox for Android Primary Password is replacing Master Password in Thunderbird Remove the Other Bookmarks folder from the Bookmarks Toolbar Mozilla Voice Server Proxy Retiring View recent tabs on your Firefox for iOS homepage View recently saved bookmarks from your homepage on Firefox for iOS View bookmarks on your home screen View recent tabs on your Firefox for Android homepage View articles recommended by Pocket on your Firefox for Android homepage Personalize Firefox with colorways The language of the websites I visit changes when I turn Mozilla VPN on - What to do View articles recommended by Pocket on your Firefox for iOS homepage How to move the search bar in Firefox for iOS Change your wallpaper in Firefox for iOS New in Thunderbird 102 How to disable the Firefox Relay autofill icon on online fields and websites Site Permission Add-ons What should I do if I'm redirected to the Firefox Relay FAQ when clicking a link within an email? New in Thunderbird 115 Supernova Unified Toolbar Autofill Credit Cards in Firefox for iOS Global Privacy Control in Firefox for Android Address autofill on Firefox Enable or disable Local Network Access on iOS Choose which browser opens Pocket web content on your Android Getting started with Thunderbird for Android Manage your Monitor notifications Wrong home page opens when I start Firefox - How to fix Make Firefox the default browser on Android