Settings Manage and customize your product experience with settings, add-ons, and more. In English Make Firefox your default browser on Windows Add-on Badges Tab context menu Firefox Page Info window Thunderbird and Junk / Spam Messages Does Firefox share my location with websites? Manage local site storage settings Customize Firefox controls, buttons and toolbars Connection settings in Firefox Pop-up blocker settings, exceptions and troubleshooting Restore the Menu bar in Firefox Automatically fill in credit card and payment method data on Web forms Make Firefox your default browser Multi-Account Containers Firefox's performance settings Add-ons in Firefox for iOS Global Privacy Control Automatically fill in your address on web forms Personalized extension recommendations Firefox options, preferences and settings Filelink for Large Attachments Compacting folders Manage my default search engines in Firefox for Android Change the primary email address on your Mozilla account Firefox translation for Android Message threading in Thunderbird - keep messages grouped by conversation Export your Thunderbird Profile How to set the home page Switching from Chrome to Firefox Change your default search settings in Firefox Restore previous session - Configure when Firefox shows your most recent tabs and windows Tips for assessing the safety of an extension How to manage your camera and microphone permissions with Firefox Import settings and data into Thunderbird Manage your extensions using the extensions button in the toolbar Open Firefox automatically when you start your computer Tab preferences and settings Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window Compact mode workaround in Firefox Recovering important data from an old profile Add the Search bar to your Firefox toolbar Allow or block media autoplay in Firefox An extension changed my New Tab page or home page Back up and restore information in Firefox profiles Recover lost or missing Bookmarks Font size and zoom - increase the size of web pages JavaScript settings and preferences for interactive web pages Archived Messages How to opt out of studies on Firefox for Android Setting Firefox as the default browser does not work - What to do How do I restore my tabs from last time? Turn picture-in-picture mode controls on and off Add or remove a search engine in Firefox Recommendations from Firefox Customize Date and Time formats in Thunderbird Manage file types and download actions in Firefox Signatures Use the Firefox Sidebar to access bookmarks, history and synced tabs Customize your New Tab page to hide or display content Customize the Firefox home screen Turn on/off saved logins, login sync and login autofill in Firefox for Android Search with the Firefox address bar Usernames and passwords are not saved What if I'm locked out of Two-Step Authentication? 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View PDF files using Firefox’s built-in viewer Hyperlinks in Messages Not Working Message List Columns Use Firefox in another language Scan QR codes in Firefox for Android Manage extension shortcuts in Firefox How to set up Firefox Sync in Firefox for Android Collections in Firefox Secure Firefox passwords with device sign-in Unified Toolbar Firefox doesn't save web form entries Share data with Mozilla to help improve Firefox How do I quit Firefox for Android? How to disable or change the Thunderbird start page Thunderbird add-ons - frequently asked questions Turn search suggestions on or off on Firefox for iOS Print simplified, clutter-free pages in Firefox How to replace Google Assistant with a Firefox search Assign shortcuts to search engines Protect your container tabs with Mozilla VPN Use Web Apps with Firefox for Android Set Firefox for Android to open links in native apps Personalize Firefox with colorways Block and unblock websites with parental controls on Firefox Cannot remove an add-on (extension or theme) Accessibility features in Firefox - Make Firefox and web content work for all users FAQ Changing IMAP to POP Config Editor How to Subscribe to News Feeds and Blogs Manage saved passwords in Firefox for Android Access hidden tabs in Firefox Firefox starts automatically when I restart Windows Install themes to change the look of Thunderbird Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix Firefox Enterprise Kiosk mode Managing Firefox with Microsoft Endpoint Manager (Intune) Remove the Other Bookmarks folder from the Bookmarks Toolbar How to configure Close Tab warnings in Firefox View recently saved bookmarks from your homepage on Firefox for iOS Automatically fill in your address on web forms in Firefox for Android Upgrading from an older version of Thunderbird Changes to toolbars and window sizes are not saved What to do if you can't download or save files HTML5 audio and video in Firefox How to Customize the New Mail Sound How to Customize Toolbars Customize Firefox Home on iOS Change the default language on Firefox for iOS Set Firefox as the default browser 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 Managing Firefox Updates Setting Up Certificate Authorities (CAs) in Firefox Sync logins in Firefox desktop Configuring Networks to Disable DNS over HTTPS Changing your two-step authentication device for your Mozilla account Pocket sponsored stories on new tabs Importing Safari data into Firefox Add a Firefox widget to your Home screen Primary Password is replacing Master Password in Thunderbird View bookmarks on your home screen Change your wallpaper in Firefox for iOS Change your wallpaper in Firefox for Android Manage your Mozilla account newsletter and email preferences Site Permission Add-ons Domains to Allow for Firefox Firefox Suggest for Mobile Global Privacy Control in Firefox for Android Address autofill on Firefox Block links from opening in external apps Restore the default Smart Bookmarks Folders How to fix preferences that won't save Change the default language of Firefox for Android The thumbnails on the New Tab page are missing - how to get them back 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 How to Install and Use another Language in the Dictionary on Thunderbird Installing Thunderbird on Ubuntu Linux 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 Change your Mozilla account password 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 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 policies.json Change themes in Firefox for iOS Feed reader replacements for Firefox How to use collections on addons.mozilla.org Debugging policy issues Unable to install add-ons (extensions or themes) in Thunderbird Choose display languages for multilingual web pages Managing policies on macOS desktops Disable high contrast mode in Firefox Dedicated profiles per Firefox installation 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 Will policies I set work if users already installed Firefox? Make Firefox for Enterprise the Default Browser Review installed extensions How to fix Pocket login issues Firefox Browser welcome pages - helping you get more from Firefox products and services Dangerous directories Customizing 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 Grant camera access to Firefox for Android End of support for Adobe Flash Mozilla Voice Server Proxy Retiring Unable to uninstall add-ons (extensions or themes) 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 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 version 98 and above How to move the search bar in Firefox for iOS New in Thunderbird 102 New in Thunderbird 115 Supernova Autofill Credit Cards in Firefox for iOS Multiwindow support on iPad for Firefox Add alt text to images in your PDFs using Firefox Choose your preferred PDF viewer in Firefox Wrong home page opens when I start Firefox - How to fix Make Firefox the default browser on Android