Settings Manage and customize your product experience with settings, add-ons, and more. In English Add-on Badges Firefox Page Info window Thunderbird and Junk / Spam Messages Manage local site storage settings Firefox options, preferences and settings Customize Firefox controls, buttons and toolbars Make Firefox your default browser on Windows Automatically fill in credit card and payment method data on Web forms Multi-Account Containers Connection settings in Firefox Automatically fill in your address on web forms Pop-up blocker settings, exceptions and troubleshooting Firefox translation for Android Compacting folders Restore the Menu bar in Firefox Global Privacy Control Firefox's performance settings Personalized extension recommendations Make Firefox your default browser Filelink for Large Attachments Message threading in Thunderbird - keep messages grouped by conversation Tab context menu Back up and restore information in Firefox profiles Add-ons in Firefox for iOS Change the primary email address on your Mozilla account Open Firefox automatically when you start your computer Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window Manage your extensions using the extensions button in the toolbar How to set the home page How to manage your camera and microphone permissions with Firefox Export your Thunderbird Profile Import settings and data into Thunderbird Restore previous session - Configure when Firefox shows your most recent tabs and windows Change your default search settings in Firefox Allow or block media autoplay in Firefox Config Editor Add the Search bar to your Firefox toolbar Tips for assessing the safety of an extension Recover lost or missing Bookmarks Switching from Chrome to Firefox Recommendations from Firefox An extension changed my New Tab page or home page Add or remove a search engine in Firefox Compact mode workaround in Firefox Search with the Firefox address bar Archived Messages Signatures Recovering important data from an old profile Manage file types and download actions in Firefox How do I restore my tabs from last time? Use the Firefox Sidebar to access bookmarks, history and synced tabs What if I'm locked out of Two-Step Authentication? How to opt out of studies on Firefox for Android Accessibility features in Firefox - Make Firefox and web content work for all users Manage my default search engines in Firefox for Android How to disable the Enterprise Roots preference Turn picture-in-picture mode controls on and off Customize Date and Time formats in Thunderbird Setting Firefox as the default browser does not work - What to do Tab preferences and settings Using Multiple Profiles Legacy browser support extension for Windows Secure Firefox passwords with device sign-in Manage notifications in Firefox for Android Font size and zoom - increase the size of web pages JavaScript settings and preferences for interactive web pages Move the navigation bar to the top or bottom of the app in Firefox for Android About Picture-in-Picture in Firefox Auto-close open tabs in Firefox for Android Manage optional permissions for Firefox extensions Use bookmark folders to organize your bookmarks Cannot remove an add-on (extension or theme) Disable or re-enable Pocket for Firefox Installing an Add-on in Thunderbird Manage saved passwords in Firefox for iOS Control audio or video playback with your keyboard Usernames and passwords are not saved Customize your New Tab page to hide or display content Change the program used to open email links Share data with Mozilla to help improve Firefox Configuration Options for Accounts Display the Thunderbird menus and toolbar Print simplified, clutter-free pages in Firefox View PDF files using Firefox’s built-in viewer Use Firefox in another language How to create and use mailing lists on Thunderbird Voice input in Firefox for Android Customizing Firefox Using Group Policy (Windows) How to set up Firefox Sync in Firefox for Android Turn on/off saved logins, login sync and login autofill in Firefox for Android How to restore a browsing session from backup Upgrading from an older version of Thunderbird Find and install extensions on Firefox for Android Using Dark Theme in Firefox for Android How do I quit Firefox for Android? Thunderbird add-ons - frequently asked questions How to Install and Use another Language in the Dictionary on Thunderbird Customize the Firefox home screen Install themes to change the look of Thunderbird Choose display languages for multilingual web pages Changes to toolbars and window sizes are not saved How do I use the Firefox spell checker? Hyperlinks in Messages Not Working Customize Firefox Home on iOS Scan QR codes in Firefox for Android Customizing Firefox Using policies.json Assign shortcuts to search engines Manage extension shortcuts in Firefox Protect your container tabs with Mozilla VPN Firefox Enterprise Kiosk mode Add a Firefox widget to your Home screen Set Firefox for Android to open links in native apps Change website appearance settings in Firefox Thunderbird Android Telemetry Import settings and data into Thunderbird for Android Change the fonts and colors websites use HTML5 audio and video in Firefox Change the default language of Firefox for Android Set Firefox as the default browser for iOS Change your Mozilla account password Feed reader replacements for Firefox Will policies I set work if users already installed Firefox? Collections in Firefox Playing videos in Firefox for Android Importing Safari data into Firefox End of support for Adobe Flash Global Privacy Control in Firefox for Android Address autofill on Firefox Block links from opening in external apps Choose your preferred PDF viewer in Firefox Block and unblock websites with parental controls on Firefox Firefox doesn't save web form entries FAQ Changing IMAP to POP How to disable or change the Thunderbird start page Message List Columns Open Search How to Customize the New Mail Sound How to Customize Toolbars Manage saved passwords in Firefox for Android Change the default language on Firefox for iOS Access your add-ons with a Mozilla account Set a homepage in Firefox for iOS Built-in themes in Firefox - alternative to complete themes How to replace Google Assistant with a Firefox search Change themes in Firefox for iOS Debugging policy issues Managing Firefox Updates Dedicated profiles per Firefox installation Make Firefox for Enterprise the Default Browser How to fix Pocket login issues Sync logins in Firefox desktop Configuring Networks to Disable DNS over HTTPS Managing Firefox with Microsoft Endpoint Manager (Intune) Use Web Apps with Firefox for Android Remove the Other Bookmarks folder from the Bookmarks Toolbar View bookmarks on your home screen Personalize Firefox with colorways Change your wallpaper in Firefox for iOS New in Thunderbird 102 Unified Toolbar Firefox Suggest for Mobile Multiwindow support on iPad for Firefox Add alt text to images in your PDFs using Firefox Restore the default Smart Bookmarks Folders How to fix preferences that won't save What to do if you can't download or save files Closing multiple Tabs - option to disable warning How to disable the built-in PDF viewer and use another viewer Creating a Newsgroup Account 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 How to Subscribe to News Feeds and Blogs Instant Messaging and Chat Installing and Using another Language in the Dictionary Uninstall Firefox for Android extensions 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 Change the default email program in Firefox for iOS Advanced panel - System, network, updates, and other advanced settings in Thunderbird Scan QR codes in Firefox for iOS Cliqz Recommendations in Firefox Turn search suggestions on or off on Firefox for iOS New Tab settings in Firefox for iOS Security panel - Junk, scam, antivirus, and password settings in Thunderbird Privacy panel - Remote content and cookie settings in Thunderbird How is Facebook Container different from Multi-account Containers? Customizing Firefox Using AutoConfig Access hidden tabs in Firefox Firefox starts automatically when I restart Windows How to use collections on addons.mozilla.org Unable to install add-ons (extensions or themes) in Thunderbird Managing policies on macOS desktops Disable high contrast mode in Firefox Privacy settings in Firefox for Enterprise Enforcing 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 Setting 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 Firefox Browser welcome pages - helping you get more from Firefox products and services Dangerous directories Changing your two-step authentication device for your Mozilla account Customizing Firefox on MacOS using configuration profiles Pocket sponsored stories on new tabs My privacy settings were changed from Custom to Standard Turn push notifications on or off in Firefox for iOS Grant camera access to Firefox for Android Primary Password is replacing Master Password in Thunderbird Mozilla Voice Server Proxy Retiring Unable to uninstall add-ons (extensions or themes) How to configure Close Tab warnings in Firefox View recent tabs on your Firefox for iOS homepage View recently saved bookmarks from your homepage on Firefox for iOS View recent tabs on your Firefox for Android homepage View articles recommended by Pocket on your Firefox for Android homepage View articles recommended by Pocket on your Firefox for iOS homepage Choose your opening screen for Firefox for iOS How file downloads are handled in Firefox How to move the search bar in Firefox for iOS Change your wallpaper in Firefox for Android Automatically fill in your address on web forms in Firefox for Android Manage your Mozilla account newsletter and email preferences Site Permission Add-ons Domains to Allow for Firefox New in Thunderbird 115 Supernova Autofill Credit Cards in Firefox for iOS Wrong home page opens when I start Firefox - How to fix Make Firefox the default browser on Android