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Make Firefox your default browser on Windows

About Add-on Badges

View site information with Page Info

Access AI chatbots in Firefox

Thunderbird and Junk / Spam Messages

Customize items on your Firefox New Tab page

Change Firefox options, preferences and settings

Manage marketing data settings in Firefox for Android

Customize Firefox controls, buttons and toolbars

Firefox Password Manager - Alerts for breached websites

Manage local site storage settings

Web Push notifications in Firefox

Connection settings in Firefox

Firefox Translation

Scan QR codes in Firefox for iOS

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

Make Firefox your default browser

Refresh Firefox - reset add-ons and settings

Watch DRM content on Firefox

How to manage your camera and microphone permissions with Firefox

Pop-up blocker settings, exceptions and troubleshooting

Recover lost or missing Bookmarks

Firefox's performance settings

Use the sidebar to access tools and vertical tabs

Filelink for Large Attachments

Import data from another browser

Global Privacy Control

Personalized extension recommendations

Firefox translation for Android

Automatically fill in your address on web forms

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

Back up and restore information in Firefox profiles

Manage my default search engines in Firefox for Android

Allow or block media autoplay in Firefox

Restore bookmarks from backup or move them to another computer

How to set up Firefox Sync in Firefox for Android

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

Sponsors on the home page and New Tab page

JavaScript settings and preferences for interactive web pages

Turn picture-in-picture mode controls on and off

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

Quick actions in the Firefox search bar

Control whether Firefox automatically fills in forms

How to set the home page

Manage Firefox search settings

Multi-Account Containers

Recommendations from Firefox

Manage Firefox updates

Import bookmarks and other data from Google Chrome

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

Open Firefox automatically when you start your computer

Find and install extensions on Firefox for Android

Thunderbird and Gmail

How to change the Thunderbird layout

Customize Date and Time formats in Thunderbird

Import settings and data into Thunderbird for Android

Gmail and Thunderbird for Android

Add or remove a search engine in Firefox

Manage your extensions using the extensions button in the toolbar

Use Firefox in Full Screen mode

Thunderbird add-ons - frequently asked questions

An extension changed my New Tab page or home page

How to disable the Enterprise Roots preference

On-device AI models in Firefox

Font size and zoom - increase the size of web pages

Sync bookmarks, tabs, history, and passwords on Android

Manage file types and download actions in Firefox

Signatures

Use Firefox in another language

Legacy browser support extension for Windows

Control audio or video playback with your keyboard

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

Add-ons in Firefox for iOS

Usernames and passwords are not saved

How do I restore my tabs from last time?

Message threading in Thunderbird - keep messages grouped by conversation

Tips for assessing the safety of an extension

About Picture-in-Picture in Firefox

Profile Manager - Create and remove Thunderbird profiles

Use multiple profiles in Thunderbird

Configure push email for Thunderbird for Android

Add the Search bar to your Firefox toolbar

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

Thunderbird and Exchange

Use bookmark folders to organize your bookmarks

How to opt out of studies on Firefox for Android

Choose your preferred PDF viewer in Firefox

Change the fonts and colors websites use

Import Bookmarks from an HTML file

How do I use the Firefox spell checker?

Audio and video files in Firefox

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

Switch from Chrome to Firefox

The difference between IMAP and POP3

Choose display languages for multilingual web pages

Manage optional permissions for Firefox extensions

Use Firefox VPN in Firefox

Switch from POP to IMAP account

Set up Certificate Authorities (CAs) in Firefox

Compact mode workaround in Firefox

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

How do I change my DNS settings?

Extension data collection

Manage extension shortcuts in Firefox

Manage notifications in Firefox for Android

Import login and password data from a file

Add alt text to images in your PDFs using Firefox

How to restore a browsing session from backup

Export bookmarks to Safari

HTTPS-Only Mode in Firefox Focus for Android

Get started with Thunderbird

FAQ Changing IMAP to POP

Installing an Add-on in Thunderbird

Customize Firefox Home on iOS

Dedicated profiles per Firefox installation

Manage Firefox with Microsoft Endpoint Manager (Intune)

Cannot remove an add-on (extension or theme)

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

IMAP Synchronization

Compacting folders

How to Subscribe to News Feeds and Blogs

Customize the Firefox home screen

Manage saved passwords in Firefox for iOS

Add search engines in Firefox Focus for iOS

Customize Firefox using Group Policy (Windows)

Customize Firefox using policies.json

Install themes to change the look of Thunderbird

Search suggestions in Firefox Focus for iOS

Collections in Firefox

Playing videos in Firefox for Android

Use Web Apps with Firefox for Android

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

Get started with the Mozilla VPN extension

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

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

Reset Firefox preferences to troubleshoot and fix problems

Change the program used to open email links

Tab preferences and settings

How do I quit Firefox for Android?

How to disable or change the Thunderbird start page

Config Editor

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

How to reset the default user agent on Firefox

Maildir in Thunderbird

Access your add-ons with a Mozilla account

Built-in themes in Firefox - alternative to complete themes

Add a search engine to Firefox Focus for Android

Autocomplete settings in the Firefox Focus address bar

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

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

Access hidden tabs in Firefox

Firefox starts automatically when I restart Windows

Add trusted websites to your allow list in Firefox Focus

Getting started with the Thunderbird main window

Importing Safari data into Firefox

Grant camera access to Firefox for Android

How to opt out of studies on Firefox for iOS

OpenPGP Recipient Alias Configuration

How file downloads are handled in Firefox

Site Permission Add-ons

Global Privacy Control in Firefox for Android

New in Thunderbird for Android version 8

Getting started with Thunderbird for Android

Make Thunderbird the Default Mail Client

How to add the translate add-on to Firefox

How to replace Google Assistant with a Firefox search

Customize Firefox using AutoConfig

Assign shortcuts to search engines

Protect your container tabs with Mozilla VPN

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

Add a Firefox widget to your Home screen

Set Firefox for Android to open links in native apps

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

Domains to allow for Firefox

Multiwindow support on iPad for Firefox

Change your location for a specific website

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

Manage the Mozilla VPN extension preferences

Translate webpages in Firefox for iOS

How to fix preferences that won't save

Changes to toolbars and window sizes are not saved

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

Creating a Newsgroup Account

Message List Columns

Configuration Options for Accounts

Thunderbird makes unrequested connections

How to Customize the New Mail Sound

Display the Thunderbird menus and toolbar

Get help with Firefox Developer Edition

Uninstall Firefox for Android extensions

Scan QR codes in Firefox for Android

Change the default language on Firefox for iOS

Set Firefox Focus as default browser on Android

Print simplified, clutter-free pages in Firefox

Privacy panel - Remote content and cookie settings in Thunderbird

Block cookies in Firefox Focus for Android

Feed reader replacements for Firefox

Firefox Focus main Menu

How to use collections on addons.mozilla.org

Manage policies on macOS desktops

Enforce policies on Firefox for Enterprise

Make Firefox for Enterprise the default browser

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

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

Change your two-step authentication device for your Mozilla account

Firefox for Enterprise Kiosk mode

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

Tab context menu

Auto-close open tabs in Firefox for Android

End of support for Adobe Flash

Remove the Other Bookmarks folder from the Bookmarks Toolbar

View and control data collected by Mozilla VPN

View bookmarks on your home screen

Choose your opening screen for Firefox for iOS

Add a search engine to Firefox klar for Android

My default search engine changed after updating Firefox

Change your wallpaper in Firefox for Android

Enable light or dark mode in MDN

Change website appearance settings in Firefox

Automatically fill in your address on web forms in Firefox for Android

Manage your Mozilla account newsletter and email preferences

Turn off ads on MDN Plus

Unified Toolbar

Firefox Suggest for Mobile

Enable or disable Local Network Access on iOS

Thunderbird Mobile Telemetry

Manage your Monitor notifications

Orbit Frequently Asked Questions

Customize your Firefox app icon on iOS

Restore the default Smart Bookmarks Folders

Block and unblock websites with parental controls on Firefox

Import Bookmarks and other data from Microsoft Edge

Firefox doesn't save web form entries

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

Configuration Options for Attachments

Certificates

Block a sender

Installing Thunderbird on Ubuntu Linux

Add Search Engine to Open Search

Instant Messaging and Chat

Installing and Using another Language in the Dictionary

How to Customize Toolbars

Thunderbird and Logjam

Customize your New Tab page to hide or display content

Enable or disable search engines on Firefox for iOS

Manage saved passwords in Firefox for Android

Save passwords in Firefox for Android

Voice input 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

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

Set Firefox Lite as your default browser

Turn search suggestions on or off on Firefox for iOS

New Tab settings in Firefox for iOS

Remove a search engine in Firefox Focus for Android

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

Add shortcuts to websites on your home screen

Facebook Container isn't working

How is Facebook Container different from Multi-account Containers?

Change themes in Firefox for iOS

Debugging policy issues

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

Change Firefox Lite to Night Mode

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?

Review installed extensions

Dangerous directories

Customize Firefox on macOS using configuration profiles

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

Using Dark Theme in Firefox for iOS

My privacy settings were changed from Custom to Standard

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

Mozilla Voice Server Proxy Retiring

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

How to configure Close Tab warnings in Firefox

Exclude applications from Mozilla VPN protection

Set Firefox Focus as the default browser for iOS

View recently saved bookmarks from your homepage on Firefox for iOS

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

Install the Firefox Relay extension on Firefox for desktop

View articles recommended by Pocket on your Firefox for iOS homepage

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

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

Recommended Firefox privacy and security settings for families

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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