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