Settings

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Make Firefox your default browser on Windows

Firefox Page Info window

Firefox options, preferences and settings

Connection settings in Firefox

Access AI chatbots in Firefox

Thunderbird and Junk / Spam Messages

Manage local site storage settings

Customize items on your Firefox New Tab page

Use the sidebar to access tools and vertical tabs

Notifications in Thunderbird

Web Push notifications in Firefox

Customize Firefox controls, buttons and toolbars

Watch DRM content on Firefox

Firefox Translation

Firefox's performance settings

Make Firefox your default browser

Refresh Firefox - reset add-ons and settings

Add-on Badges

Personalized extension recommendations

Pop-up blocker settings, exceptions and troubleshooting

Recover lost or missing Bookmarks

Firefox Password Manager - Alerts for breached websites

Restore the Menu bar in Firefox

Multi-Account Containers

Global Privacy Control

How to manage your camera and microphone permissions with Firefox

Import data from another browser

Automatically fill in your address on web forms

Filelink for Large Attachments

Firefox translation for Android

Back up and restore information in Firefox profiles

Turn picture-in-picture mode controls on and off

Automatically fill in credit card and payment method data on Web forms

How to set the home page

Export Firefox bookmarks to an HTML file to back up or transfer bookmarks

Restore bookmarks from backup or move them to another computer

Thunderbird and Gmail

How to set up Firefox Sync in Firefox for Android

Recommendations from Firefox

Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window

Tips for assessing the safety of an extension

Manage my default search engines in Firefox for Android

Manage your extensions using the extensions button in the toolbar

Import bookmarks and other data from Google Chrome

Import settings and data into Thunderbird

Allow or block media autoplay in Firefox

Restore previous session - Configure when Firefox shows your most recent tabs and windows

Use Firefox in another language

Message threading in Thunderbird - keep messages grouped by conversation

Control audio or video playback with your keyboard

Manage marketing data settings in Firefox for Android

Use the Firefox Sidebar to access bookmarks, history and synced tabs

Sync bookmarks, tabs, history and passwords on Android

Add-ons in Firefox for iOS

How to change the Thunderbird layout

Font size and zoom - increase the size of web pages

Add the Search bar to your Firefox toolbar

Open Firefox automatically when you start your computer

Customize your wallpapers

JavaScript settings and preferences for interactive web pages

Profile Manager - Create and remove Thunderbird profiles

Customize Date and Time formats in Thunderbird

Control whether Firefox automatically fills in forms

Use Firefox in Full Screen mode

Signatures

Compacting folders

Thunderbird add-ons - frequently asked questions

How to disable the Enterprise Roots preference

About Picture-in-Picture in Firefox

Import settings and data into Thunderbird for Android

Usernames and passwords are not saved

Manage optional permissions for Firefox extensions

Getting Started with the Thunderbird main window (Supernova and newer)

The difference between IMAP and POP3

Setting Firefox as the default browser does not work - What to do

How do I restore my tabs from last time?

Use multiple profiles in Thunderbird

Switch from Chrome to Firefox

Compact mode workaround in Firefox

Gmail and Thunderbird for Android

Change your default search settings in Firefox

Add or remove a search engine in Firefox

Get started with the Mozilla VPN extension

An extension changed my New Tab page or home page

Use bookmark folders to organize your bookmarks

Legacy browser support extension for Windows

Customize your New Tab page to hide or display content

How to restore a browsing session from backup

Choose your preferred PDF viewer in Firefox

Dedicated profiles per Firefox installation

Quick actions in the Firefox search bar

Import Bookmarks from an HTML file

Customize Firefox Home on iOS

Choose display languages for multilingual web pages

Import login and password data from a file

How do I change my DNS settings?

Add alt text to images in your PDFs using Firefox

Configure push email for Thunderbird for Android

Cannot remove an add-on (extension or theme)

Reset Firefox preferences to troubleshoot and fix problems

Manage file types and download actions in Firefox

How do I use the Firefox spell checker?

FAQ Changing IMAP to POP

Switch from POP to IMAP account

Disable or re-enable Pocket for Firefox

Manage notifications in Firefox for Android

Message List Columns

Configuration Options for Accounts

How to reset the default user agent on Firefox

Importing Safari data into Firefox

Thunderbird makes unrequested connections

Display the Thunderbird menus and toolbar

Scan QR codes in Firefox for iOS

Autocomplete settings in the Firefox Focus address bar

Install themes to change the look of Thunderbird

HTTPS-Only Mode in Firefox Focus for Android

Import Bookmarks and other data from Microsoft Edge

HTML5 audio and video in Firefox

Set Firefox Focus as default browser on Android

Firefox for Enterprise Kiosk mode

Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN

Install the Pocket extension in your browser

Change the fonts and colors websites use

Why does Mozilla disable some add-ons from running in Firefox?

Change the program used to open email links

What to do if you can't download or save files

Export bookmarks to Safari

IMAP Synchronization

How to Subscribe to News Feeds and Blogs

Manage saved passwords in Firefox for Android

Customize the Firefox home screen

Manage Firefox with Microsoft Endpoint Manager (Intune)

Change website appearance settings in Firefox

Hide Pocket recommendations in Firefox

Block links from opening in external apps

Disable VPN protection for a specific website

A program on your computer interferes with the Mozilla VPN extension

Tab preferences and settings

How do I change to the desktop view in Firefox for Android?

Installing an Add-on in Thunderbird

Advanced panel - System, network, updates, and other advanced settings in Thunderbird

Add a search engine to Firefox Focus for Android

Customize Firefox using Group Policy (Windows)

Customize Firefox using policies.json

Access hidden tabs in Firefox

Manage extension shortcuts in Firefox

Playing videos in Firefox for Android

Recommended Firefox privacy and security settings for families

Firefox Suggest for Mobile

Manage your Monitor notifications

Block and unblock websites with parental controls on Firefox

Find and install extensions on Firefox for Android

How to disable or change the Thunderbird start page

Scan QR codes in Firefox for Android

Built-in themes in Firefox - alternative to complete themes

Autocomplete web addresses in the URL bar in Firefox Focus for iOS

Change your two-step authentication device for your Mozilla account

Move the navigation bar to the top or bottom of the app in Firefox for Android

Remove the Other Bookmarks folder from the Bookmarks Toolbar

Automatically fill in credit card information on Firefox for Android

Setup your email account for using End-To-End Encryption

Upgrading from an older version of Thunderbird

How do I quit Firefox for Android?

Creating a Newsgroup Account

Access your add-ons with a Mozilla account

Add search engines in Firefox Focus for iOS

Privacy panel - Remote content and cookie settings in Thunderbird

Facebook Container isn't working

Customize Firefox using AutoConfig

Feed reader replacements for Firefox

Assign shortcuts to search engines

Getting started with the Thunderbird main window

Privacy settings in Firefox for Enterprise

Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix

Hide Pocket in your Firefox New Tab page

Protect your container tabs with Mozilla VPN

Collections in Firefox

Firefox Browser welcome pages - helping you get more from Firefox products and services

Auto-close open tabs in Firefox for Android

Set Firefox for Android to open links in native apps

How to opt out of studies on Firefox for Android

Text Encoding no longer available in the Firefox menu panel

How to configure Close Tab warnings in Firefox

My default search engine changed after updating Firefox

Enable light or dark mode in MDN

How to disable the Firefox Relay autofill icon on online fields and websites

How do I change my Privacy features?

Enabling the Pocket Share extension in iOS

New in Thunderbird for Android version 8

How to search IMDB, Wikipedia and more from the address bar

How to fix preferences that won't save

Changes to toolbars and window sizes are not saved

Firefox doesn't save web form entries

Make Thunderbird the Default Mail Client

Configuration Options for Attachments

Config Editor

How to Install and Use another Language in the Dictionary on Thunderbird

How to Customize the New Mail Sound

Instant Messaging and Chat

Get help with Firefox Developer Edition

Maildir in Thunderbird

Voice input in Firefox for Android

Change the default language on Firefox for iOS

Manage saved passwords in Firefox for iOS

Set Firefox Lite as your default browser

Remove a search engine in Firefox Focus for Android

Print simplified, clutter-free pages in Firefox

Security panel - Junk, scam, antivirus, and password settings in Thunderbird

Firefox starts automatically when I restart Windows

Firefox Focus main Menu

Manage Firefox updates

Disable high contrast mode in Firefox

Enforce policies on Firefox for Enterprise

Make Firefox for Enterprise the default browser

Set up Certificate Authorities (CAs) in Firefox

Review installed extensions

How to fix Pocket login issues

Customize Firefox on macOS using configuration profiles

Pocket sponsored stories on new tabs

My privacy settings were changed from Custom to Standard

Turn on/off saved logins, login sync and login autofill in Firefox for Android

How to pin and unpin Firefox from the taskbar on Windows 10 and Windows 11

Edit top sites on Firefox Lite home screen

Add a Firefox widget to your Home screen

Grant camera access to Firefox for Android

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)

OpenPGP Recipient Alias Configuration

Exclude applications from Mozilla VPN protection

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

Change your wallpaper in Firefox for iOS

Site Permission Add-ons

X-Mouse Button Control in Firefox 110

How to automatically label your new email masks

What languages is Mozilla VPN available in?

Unified Toolbar

Customizing your reading settings in Pocket

Keyboard shortcuts in Pocket for Web

What permissions does Pocket for Android require and why?

How to delete an email mask

Global Privacy Control in Firefox for Android

Get started with Thunderbird

Thunderbird Android Telemetry

Getting started with Thunderbird for Android

Change your location for a specific website

Manage the VPN extension preferences

Orbit Frequently Asked Questions

Restore the default Smart Bookmarks Folders

Change the default language of Firefox for Android

Share data with Mozilla to help improve Firefox

Closing multiple Tabs - option to disable warning

How to disable the built-in PDF viewer and use another viewer

Using Dark Theme in Firefox for Android

Names but no Email Addresses are Displayed

Configuration Options for Identity

Configuration Options for Tags

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

Uninstall Firefox for Android extensions

Thunderbird and Logjam

Enable or disable search engines on Firefox for 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

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

Turn search suggestions on or off on Firefox for iOS

New Tab settings in Firefox for iOS

File system paths on Linux are always treated as UTF-8

How to add the translate add-on to Firefox

How to replace Google Assistant with a Firefox search

Add shortcuts to websites on your home screen

How is Facebook Container different from Multi-account Containers?

Block cookies in Firefox Focus for Android

Change themes in Firefox for iOS

How to use collections on addons.mozilla.org

Debugging policy issues

Search suggestions in Firefox Focus for iOS

Unable to install add-ons (extensions or themes) in Thunderbird

Change Firefox Lite to Night Mode

Add trusted websites to your allow list in Firefox Focus

Manage policies on macOS desktops

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?

Enable auto-fill on your iPhone or iPad

Set Firefox as your default browser on Lockwise for iOS

Enable auto-fill on your Android devices

Dangerous directories

Using Dark Theme in Firefox for iOS

Tab context menu

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

Mozilla Voice Server Proxy Retiring

How to opt out of studies on Firefox for iOS

Set Firefox as your default browser from the notification panel on Android

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

Change your theme in Firefox Focus for iOS

Personalize Firefox with colorways

Install the Firefox Relay extension on Firefox for desktop

View articles recommended by Pocket on your Firefox for iOS homepage

How to opt out of studies on Firefox Focus 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

How to opt out of studies on Firefox Focus for Android

Change your wallpaper in Firefox for Android

Receive only important emails sent through your masks with Firefox Relay Premium

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

Manage your Mozilla account newsletter and email preferences

How do I block phone calls or texts to my Relay Phone mask?

Mozilla VPN message center

What should I do if I'm redirected to the Firefox Relay FAQ when clicking a link within an email?

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