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Make Firefox your default browser on Windows

About Add-on Badges

View site information with Page Info

Change Firefox options, preferences and settings

Access AI chatbots in Firefox

Manage local site storage settings

Thunderbird and Junk / Spam Messages

Customize Firefox controls, buttons and toolbars

Connection settings in Firefox

Web Push notifications in Firefox

Scan QR codes in Firefox for iOS

Sponsors on the home page and New Tab page

Firefox Password Manager - Alerts for breached websites

Firefox Translation

Refresh Firefox - reset add-ons and settings

Make Firefox your default browser

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

How to manage your camera and microphone permissions with Firefox

Manage marketing data settings in Firefox for Android

Recover lost or missing Bookmarks

Watch DRM content on Firefox

Firefox's performance settings

Firefox translation for Android

Global Privacy Control

Customize items on your Firefox New Tab page

Personalized extension recommendations

Import data from another browser

Filelink for Large Attachments

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

Automatically fill in your address on web forms

Manage Firefox updates

Back up and restore information in Firefox profiles

Pop-up blocker settings, exceptions and troubleshooting

Restore bookmarks from backup or move them to another computer

Choose your preferred PDF viewer in Firefox

Compacting folders

Import settings and data into Thunderbird

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

Restore the Menu bar in Firefox

Allow or block media autoplay in Firefox

Turn picture-in-picture mode controls on and off

How to set the home page

JavaScript settings and preferences for interactive web pages

Multi-Account Containers

Manage my default search engines in Firefox for Android

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

Quick actions in the Firefox search bar

How to set up Firefox Sync in Firefox for Android

Thunderbird and Gmail

Manage file types and download actions in Firefox

Recommendations from Firefox

Import bookmarks and other data from Google Chrome

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

Control whether Firefox automatically fills in forms

Manage your extensions using the extensions button in the toolbar

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

How to change the Thunderbird layout

Find and install extensions on Firefox for Android

Legacy browser support extension for Windows

Customize Date and Time formats in Thunderbird

Open Firefox automatically when you start your computer

Use Firefox in Full Screen mode

Add the Search bar to your Firefox toolbar

An extension changed my New Tab page or home page

How to disable the Enterprise Roots preference

Manage Firefox search settings

Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings

Usernames and passwords are not saved

The difference between IMAP and POP3

Import settings and data into Thunderbird for Android

On-device AI models in Firefox

Use Firefox VPN in Firefox

Sync bookmarks, tabs, history, and passwords on Android

Message threading in Thunderbird - keep messages grouped by conversation

Switch from Chrome to Firefox

How to opt out of studies on Firefox for Android

Signatures

Thunderbird add-ons - frequently asked questions

Profile Manager - Create and remove Thunderbird profiles

How to restore a browsing session from backup

Use Firefox in another language

Tips for assessing the safety of an extension

Manage notifications in Firefox for Android

Add or remove a search engine in Firefox

Font size and zoom - increase the size of web pages

Add-ons in Firefox for iOS

Compact mode workaround in Firefox

How do I use the Firefox spell checker?

Configure push email for Thunderbird for Android

Use the sidebar to access tools and vertical tabs

Control audio or video playback with your keyboard

Manage optional permissions for Firefox extensions

HTTPS-Only Mode in Firefox Focus for Android

Add alt text to images in your PDFs using Firefox

Customize Firefox Home on iOS

Change the fonts and colors websites use

Cannot remove an add-on (extension or theme)

How do I restore my tabs from last time?

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

Configuration Options for Accounts

Scan QR codes in Firefox for Android

Import login and password data from a file

Gmail and Thunderbird for Android

Use bookmark folders to organize your bookmarks

Customize Firefox using Group Policy (Windows)

Protect your container tabs with Mozilla VPN

About Picture-in-Picture in Firefox

How do I change my DNS settings?

Extension data collection

Reset Firefox preferences to troubleshoot and fix problems

Export bookmarks to Safari

Tab preferences and settings

IMAP Synchronization

Switch from POP to IMAP account

Firefox for Enterprise Kiosk mode

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

Change website appearance settings in Firefox

Get started with Thunderbird

Thunderbird Mobile Telemetry

Changes to toolbars and window sizes are not saved

Audio and video files in Firefox

How to disable or change the Thunderbird start page

Use multiple profiles in Thunderbird

Customize Firefox using AutoConfig

Choose display languages for multilingual web pages

Manage extension shortcuts in Firefox

Get started with the Mozilla VPN extension

Import Bookmarks from an HTML file

Using Dark Theme in Firefox for Android

Config Editor

Manage saved passwords in Firefox for iOS

Access your add-ons with a Mozilla account

Customize Firefox using policies.json

Install themes to change the look of Thunderbird

Dedicated profiles per Firefox installation

Set up Certificate Authorities (CAs) in Firefox

Importing Safari data into Firefox

How to configure Close Tab warnings in Firefox

Recommended Firefox privacy and security settings for families

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

How to fix preferences that won't save

Import Bookmarks and other data from Microsoft Edge

Change the program used to open email links

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

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

FAQ Changing IMAP to POP

Make Thunderbird the Default Mail Client

Message List Columns

Thunderbird makes unrequested connections

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

How to Subscribe to News Feeds and Blogs

Autocomplete settings in the Firefox Focus address bar

Add trusted websites to your allow list in Firefox Focus

Collections in Firefox

Playing videos in Firefox for Android

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

Tab context menu

OpenPGP Recipient Alias Configuration

Site Permission Add-ons

Unified Toolbar

Orbit Frequently Asked Questions

Block and unblock websites with parental controls on Firefox

Firefox doesn't save web form entries

Change the default language of Firefox for Android

How do I quit Firefox for Android?

Display the Thunderbird menus and toolbar

Uninstall Firefox for Android extensions

Installing an Add-on in Thunderbird

Maildir in Thunderbird

Set Firefox Focus as default browser on Android

Add a search engine to Firefox Focus for Android

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

Privacy panel - Remote content and cookie settings in Thunderbird

How to add the translate add-on to Firefox

Access hidden tabs in Firefox

Feed reader replacements for Firefox

Search suggestions in Firefox Focus for iOS

Use Web Apps with Firefox for Android

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

My default search engine changed after updating Firefox

Change your wallpaper in Firefox for Android

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

Address autofill on Firefox

Disable Mozilla VPN protection for a specific website

Change your location for a specific website

A program on your computer interferes with the Mozilla VPN extension

Thunderbird and Exchange

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

How to Customize Toolbars

How to reset the default user agent on Firefox

Enable or disable search engines on Firefox for iOS

Customize the Firefox home screen

Voice input in Firefox for Android

Change the default language on Firefox for iOS

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

Remove a search engine in Firefox Focus for Android

Add search engines in Firefox Focus for iOS

Print simplified, clutter-free pages in Firefox

How is Facebook Container different from Multi-account Containers?

Firefox Focus main Menu

Assign shortcuts to search engines

Privacy settings in Firefox for Enterprise

See active policies on Firefox for Enterprise

Managing policies on Linux desktops

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

Manage Firefox with Microsoft Endpoint Manager (Intune)

Set Firefox for Android to open links in native apps

End of support for Adobe Flash

Remove the Other Bookmarks folder from the Bookmarks Toolbar

How to opt out of studies on Firefox for iOS

View recently saved bookmarks from your homepage on Firefox for iOS

Install the Firefox Relay extension on Firefox for desktop

Choose your opening screen for Firefox for iOS

How file downloads are handled in Firefox

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

Mozilla VPN message center

Domains to allow for Firefox

Upgrading from an older version of Thunderbird

Firefox Suggest for Mobile

New in Thunderbird for Android version 8

Getting started with Thunderbird for Android

Notifications in Thunderbird

What to do if another extension interferes with the Mozilla VPN extension

Restore the default Smart Bookmarks Folders

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

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

Add Search Engine to Open Search

How to Customize the New Mail Sound

Instant Messaging and Chat

Installing and Using another Language in the Dictionary

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

Get help with Firefox Developer Edition

Thunderbird and Logjam

Customize your New Tab page to hide or display content

Manage saved passwords in Firefox for Android

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

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

New Tab settings in Firefox for iOS

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

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

How to replace Google Assistant with a Firefox search

Add shortcuts to websites on your home screen

Facebook Container isn't working

Block cookies in Firefox Focus for Android

Change themes in Firefox for iOS

Firefox starts automatically when I restart Windows

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

Enforce policies on Firefox for Enterprise

Where can I find a list of policies for Firefox for Enterprise?

Will policies I set work if users already installed Firefox?

Make Firefox for Enterprise the default browser

Review installed extensions

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

Dangerous directories

Change your two-step authentication device for your Mozilla account

Customize Firefox on macOS using configuration profiles

Using Dark Theme in Firefox for iOS

My privacy settings were changed from Custom to Standard

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

Change Firefox Lite themes

Edit top sites on Firefox Lite home screen

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

Add a Firefox widget to your Home screen

Grant camera access to Firefox for Android

Auto-close open tabs in Firefox for Android

Mozilla Voice Server Proxy Retiring

View and control data collected by Mozilla VPN

Unable to uninstall add-ons (extensions or themes)

Text Encoding no longer available in the Firefox menu panel

Automatically fill in credit card information on Firefox for Android

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

Exclude applications from Mozilla VPN protection

Set Firefox Focus as the default browser for iOS

View bookmarks on your home screen

Change your theme in Firefox Focus for Android

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

View articles recommended by Pocket on your Firefox for iOS homepage

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 move the address bar in Firefox for iOS

Change your wallpaper in Firefox for iOS

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

Manage your Mozilla account newsletter and email preferences

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

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

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