Settings Manage and customize your product experience with settings, add-ons, and more. In English 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 Customize Firefox controls, buttons and toolbars Web Push notifications in Firefox Customize items on your Firefox New Tab page Automatically fill in credit card and payment method data on Web forms Firefox Translation Sponsored shortcuts on the New Tab page Global Privacy Control Firefox's performance settings Refresh Firefox - reset add-ons and settings Personalized extension recommendations Firefox Password Manager - Alerts for breached websites Make Firefox your default browser Add-on Badges Back up and restore information in Firefox profiles Watch DRM content on Firefox Pop-up blocker settings, exceptions and troubleshooting Automatically fill in your address on web forms Filelink for Large Attachments Restore the Menu bar in Firefox Import data from another browser Firefox translation for Android Import bookmarks and other data from Google Chrome Manage my default search engines in Firefox for Android Use the Firefox Sidebar to access bookmarks, history and synced tabs How to set the home page Allow or block media autoplay in Firefox Tips for assessing the safety of an extension Thunderbird and Gmail Multi-Account Containers Restore bookmarks from backup or move them to another computer Recover lost or missing Bookmarks Switch from Chrome to Firefox Compacting folders Import settings and data into Thunderbird How to set up Firefox Sync in Firefox for Android Turn picture-in-picture mode controls on and off Add-ons in Firefox for iOS Add the Search bar to your Firefox toolbar Restore previous session - Configure when Firefox shows your most recent tabs and windows JavaScript settings and preferences for interactive web pages Manage your extensions using the extensions button in the toolbar Message threading in Thunderbird - keep messages grouped by conversation The difference between IMAP and POP3 Recommendations from Firefox Signatures Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window Font size and zoom - increase the size of web pages Setting Firefox as the default browser does not work - What to do Change your default search settings in Firefox Legacy browser support extension for Windows Use Firefox in Full Screen mode Open Firefox automatically when you start your computer Manage optional permissions for Firefox extensions Import settings and data into Thunderbird for Android Gmail and Thunderbird for Android An extension changed my New Tab page or home page Compact mode workaround in Firefox Manage file types and download actions in Firefox Usernames and passwords are not saved How to manage your camera and microphone permissions with Firefox Scan QR codes in Firefox for Android Configure push email for Thunderbird for Android Control whether Firefox automatically fills in forms About Picture-in-Picture in Firefox Customize Date and Time formats in Thunderbird Thunderbird add-ons - frequently asked questions Add or remove a search engine in Firefox How do I restore my tabs from last time? Use multiple profiles in Thunderbird Sync bookmarks, tabs, history and passwords on Android Use bookmark folders to organize your bookmarks Profile Manager - Create and remove Thunderbird profiles Import login and password data from a file How to opt out of studies on Firefox for Android Getting Started with the Thunderbird main window (Supernova and newer) Customize your wallpapers Change the fonts and colors websites use Import Bookmarks and other data from Microsoft Edge Import Bookmarks from an HTML file Customize your New Tab page to hide or display content How to change the Thunderbird layout Manage notifications in Firefox for Android Control audio or video playback with your keyboard Choose your preferred PDF viewer in Firefox Switch from POP to IMAP account Install the Pocket extension in your browser Change the program used to open email links Export Firefox bookmarks to an HTML file to back up or transfer bookmarks Export bookmarks to Safari How do I change to the desktop view in Firefox for Android? Setup your email account for using End-To-End Encryption Cannot remove an add-on (extension or theme) Find and install extensions on Firefox for Android Use Firefox in another language How to restore a browsing session from backup How do I change my DNS settings? Why does Mozilla disable some add-ons from running in Firefox? How to reset the default user agent on Firefox How do I use the Firefox spell checker? IMAP Synchronization How to disable the Enterprise Roots preference Move the navigation bar to the top or bottom of the app in Firefox for Android Importing Safari data into Firefox How to opt out of studies on Firefox for iOS How to opt out of studies on Firefox Focus for Android Change website appearance settings in Firefox Set Firefox for Android to open links in native apps Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN Add alt text to images in your PDFs using Firefox Display the Thunderbird menus and toolbar Customize the Firefox home screen Customize Firefox using policies.json Search suggestions in Firefox Focus for iOS Manage extension shortcuts in Firefox HTTPS-Only Mode in Firefox Focus for Android Tab preferences and settings FAQ Changing IMAP to POP How to disable or change the Thunderbird start page Config Editor How to Subscribe to News Feeds and Blogs Set Firefox Focus as default browser on Android Scan QR codes in Firefox for iOS Install themes to change the look of Thunderbird Choose display languages for multilingual web pages Dedicated profiles per Firefox installation Set up Certificate Authorities (CAs) in Firefox Protect your container tabs with Mozilla VPN Add a Firefox widget to your Home screen OpenPGP Recipient Alias Configuration Disable or re-enable Pocket for Firefox Installing an Add-on in Thunderbird Maildir in Thunderbird Manage saved passwords in Firefox for iOS Add search engines in Firefox Focus for iOS Getting started with Thunderbird for Android Disable VPN protection for a specific website A program on your computer interferes with the Mozilla VPN extension Reset Firefox preferences to troubleshoot and fix problems HTML5 audio and video in Firefox How do I quit Firefox for Android? Advanced panel - System, network, updates, and other advanced settings in Thunderbird Customize Firefox using AutoConfig Customize Firefox using Group Policy (Windows) How to pin and unpin Firefox from the taskbar on Windows 10 and Windows 11 Safari Integration in Firefox iOS Recommended Firefox privacy and security settings for families Quick actions in the Firefox search bar Get started with the Mozilla VPN extension What to do if another extension interferes with the Mozilla VPN extension Changes to toolbars and window sizes are not saved What to do if you can't download or save files Hyperlinks in Messages Not Working Message List Columns Enable or disable search engines on Firefox for iOS Add a search engine to Firefox Focus for Android Assign shortcuts to search engines Manage Firefox updates Dangerous directories Pocket sponsored stories on new tabs Turn on/off saved logins, login sync and login autofill in Firefox for Android Manage Firefox with Microsoft Endpoint Manager (Intune) My default search engine changed after updating Firefox Change your wallpaper in Firefox for Android Domains to allow for Firefox Hide Pocket recommendations in Firefox Get started with Thunderbird Manage the VPN extension preferences How to search IMDB, Wikipedia and more from the address bar Configuration Options for Accounts How to Install and Use another Language in the Dictionary on Thunderbird How to Customize the New Mail Sound Manage saved passwords in Firefox for Android Customize Firefox Home on iOS Autocomplete settings in the Firefox Focus address bar Autocomplete web addresses in the URL bar in Firefox Focus for iOS Print simplified, clutter-free pages in Firefox Security panel - Junk, scam, antivirus, and password settings in Thunderbird Privacy panel - Remote content and cookie settings in Thunderbird Block cookies in Firefox Focus for Android Add trusted websites to your allow list in Firefox Focus Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix Firefox for Enterprise Kiosk mode Auto-close open tabs in Firefox for Android How to opt out of studies on Firefox Focus for iOS How file downloads are handled in Firefox How to move the search bar in Firefox for iOS Install the Firefox Relay extension on Google Chrome Upgrading from an older version of Thunderbird Firefox Suggest for Mobile Block links from opening in external apps Thunderbird Android Telemetry How will DNS work when using the VPN extension? Manage your Monitor notifications Restore the default Smart Bookmarks Folders How to fix preferences that won't save Share data with Mozilla to help improve Firefox Using Dark Theme in Firefox for Android Thunderbird makes unrequested connections Instant Messaging and Chat Uninstall Firefox for Android extensions Voice input in Firefox for Android Change the default language on Firefox for iOS Set Firefox as the default browser for iOS Access your add-ons with a Mozilla account Built-in themes in Firefox - alternative to complete themes Set Firefox Lite as your default browser Turn search suggestions on or off on Firefox for iOS Remove a search engine in Firefox Focus for Android How to add the translate add-on to Firefox How to replace Google Assistant with a Firefox search Facebook Container isn't working How is Facebook Container different from Multi-account Containers? Access hidden tabs in Firefox Firefox starts automatically when I restart Windows Enforce policies on Firefox for Enterprise How to fix Pocket login issues Hide Pocket in your Firefox New Tab page Enable auto-fill on your iPhone or iPad Collections in Firefox Change your two-step authentication device for your Mozilla account Playing videos in Firefox for Android Tab context menu Edit top sites on Firefox Lite home screen Grant camera access to Firefox for Android Remove the Other Bookmarks folder from the Bookmarks Toolbar Mozilla Voice Server Proxy Retiring Text Encoding no longer available in the Firefox menu panel Automatically fill in credit card information on Firefox for Android Exclude applications from Mozilla VPN protection 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 Change your wallpaper in Firefox for iOS Receive only important emails sent through your masks with Firefox Relay Premium Manage your Mozilla account newsletter and email preferences How do I block phone calls or texts to my Relay Phone mask? How to disable the Firefox Relay autofill icon on online fields and websites X-Mouse Button Control in Firefox 110 Autofill Credit Cards in Firefox for iOS Thunderbird Matrix Chat FAQ Access AI chatbots in Firefox New in Thunderbird for Android version 8 Notifications in Thunderbird Block and unblock websites with parental controls on Firefox 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 Creating a Newsgroup Account Names but no Email Addresses are Displayed Make Thunderbird the Default Mail Client 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 Installing and Using another Language in the Dictionary How to Customize Toolbars Get help with Firefox Developer Edition Thunderbird and Logjam 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 New Tab settings in Firefox for iOS File system paths on Linux are always treated as UTF-8 Add shortcuts to websites on your home screen Change themes in Firefox for iOS Feed reader replacements for Firefox Firefox Focus main Menu How to use collections on addons.mozilla.org Debugging policy issues Unable to install add-ons (extensions or themes) in Thunderbird Change Firefox Lite to Night Mode Manage policies on macOS desktops Getting started with the Thunderbird main window Disable high contrast mode in Firefox Privacy settings in 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 Set Firefox as your default browser on Lockwise for iOS Enable auto-fill on your Android devices Firefox Browser welcome pages - helping you get more from Firefox products and services Customize Firefox on macOS using configuration profiles Using Dark Theme in Firefox for iOS My privacy settings were changed from Custom to Standard Change Firefox Lite themes 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 Use Web Apps with Firefox for Android End of support for Adobe Flash What information does Mozilla VPN collect? Unable to uninstall add-ons (extensions or themes) Set Firefox as your default browser from the notification panel on Android How to configure Close Tab warnings in Firefox 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 View articles recommended by Pocket on your Firefox for Android homepage Change your theme in Firefox Focus for Android Install the Firefox Relay extension on Firefox for desktop View articles recommended by Pocket on your Firefox for iOS homepage Choose your opening screen for Firefox for iOS 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 Enable light or dark mode in MDN 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 Mozilla VPN message center Site Permission Add-ons What should I do if I'm redirected to the Firefox Relay FAQ when clicking a link within an email? Install the Firefox Relay extension in Firefox for Android How do I change my Privacy features? Turn off ads on MDN Plus How to automatically label your new email masks Why aren’t my add-ons working on some websites? What languages is Mozilla VPN available in? Unified Toolbar userChrome.css and .js and userContent are unsupported In what languages is Firefox Relay available in? Getting started with Pocket for iOS Customizing your reading settings in Pocket Enabling the Pocket Share extension in iOS Change your language in Pocket Importing your links into Pocket Adding a shortcut to Pocket on your Windows desktop Keyboard shortcuts in Pocket for Web What permissions does Pocket for Android require and why? Customize your reading experience in Pocket Premium How to delete an email mask Global Privacy Control in Firefox for Android Address autofill on Firefox Enable or disable Local Network Access on iOS Multiwindow support on iPad for Firefox Choose which browser opens Pocket web content on your Android Change your location for a specific website Manage marketing data settings in Firefox for Android Wrong home page opens when I start Firefox - How to fix Make Firefox the default browser on Android