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Make Firefox your default browser on Windows

About Add-on Badges

Thunderbird and Junk / Spam Messages

Close to tray starting in 154

View site information with Page Info

Manage local site storage settings

Access AI chatbots in Firefox

Web Push notifications in Firefox

Customize Firefox controls, buttons and toolbars

Firefox Translations

Sponsors on the home page and New Tab page

Refresh Firefox - reset add-ons and settings

Firefox Password Manager - Alerts for breached websites

Pop-up blocker settings, exceptions and troubleshooting

Block generative AI features with Firefox AI controls

Automatically fill in credit and debit card payment methods data on web forms

How to manage your camera and microphone permissions with Firefox

How to set up Firefox Sync in Firefox for Android

Watch DRM content on Firefox

Scan QR codes in Firefox for iOS

Firefox's performance settings

Personalized extension recommendations

Customize items on your Firefox New Tab page

Filelink for Large Attachments

Make Firefox your default browser

Recover lost or missing Bookmarks

Control AI features in Firefox for Android

Import data from another browser

Compacting folders

Automatically fill in your address on web forms

Manage marketing data settings in Firefox for Android

Firefox translation for Android

Connection settings in Firefox

Restore bookmarks from backup or move them to another computer

JavaScript settings and preferences for interactive web pages

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

Restore the Menu bar in Firefox

Global Privacy Control

How to set the home page

On-device AI models in Firefox

Allow or block media autoplay in Firefox

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

Manage my default search engines in Firefox for Android

Find and install extensions on Firefox for Android

Import settings and data into Thunderbird

Manually back up and restore Firefox profile data

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

How do I use the Firefox spell checker?

Thunderbird and Gmail

Manage Firefox search settings

Import bookmarks and other data from Google Chrome

Switch from Chrome to Firefox

Quick actions in the Firefox search bar

Control AI features in Firefox for iOS

Control whether Firefox automatically fills in forms

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

Add the Search bar to your Firefox toolbar

Change Firefox options, preferences and settings

Open Firefox automatically when you start your computer

Font size and zoom - increase the size of web pages

How do I restore my tabs from last time?

Recommendations from Firefox

Add alt text to images in your PDFs using Firefox

Manage Enhanced Tracking Protection exceptions

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

Add-ons in Firefox for iOS

An extension changed my New Tab page or home page

Signatures

Message threading in Thunderbird - keep messages grouped by conversation

Customize keyboard shortcuts in Firefox

How to disable the Enterprise Roots preference

Profile Manager - Create and remove Thunderbird profiles

Manage optional permissions for Firefox extensions

Manage your extensions using the extensions button in the toolbar

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

Thunderbird add-ons - frequently asked questions

Control audio or video playback with your keyboard

How to opt out of studies on Firefox for Android

Extension data collection

IMAP Synchronization

Tips for assessing the safety of an extension

Manage notifications in Firefox for Android

Use bookmark folders to organize your bookmarks

Cannot remove an add-on (extension or theme)

OAuth2 Authentication for Yahoo, AOL and ATT

Use Firefox in another language

How to change the Thunderbird layout

Import settings and data into Thunderbird for Android

Getting Started with Thunderbird Pro

Import Bookmarks and other data from Microsoft Edge

Display the Thunderbird menus and toolbar

Customize Firefox Home on iOS

Compact mode workaround in Firefox

Customize Date and Time formats in Thunderbird

Get started with the Mozilla VPN extension

Import Bookmarks from an HTML file

Use Firefox in Full Screen mode

Use multiple profiles in Thunderbird

Add or remove a search engine in Firefox

Manage Firefox updates

Manage extension shortcuts in Firefox

Gmail and Thunderbird for Android

Use the sidebar to access tools and vertical tabs

Usernames and passwords are not saved

Manage file types and download actions in Firefox

HTTPS-Only Mode in Firefox Focus for Android

How do I change my DNS settings?

Choose your preferred PDF viewer in Firefox

Change the fonts and colors websites use

Change the program used to open email links

Audio and video files in Firefox

Tab preferences and settings

Configuration Options for Accounts

Switch from POP to IMAP account

Dedicated profiles per Firefox installation

Set up Certificate Authorities (CAs) in Firefox

Turn picture-in-picture mode controls on and off

About Picture-in-Picture in Firefox

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

Import login and password data from a file

Add a Firefox widget to your Home screen

Change website appearance settings in Firefox

Recommended Firefox privacy and security settings for families

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

Built-in themes in Firefox - alternative to complete themes

The difference between IMAP and POP3

Protect your container tabs with Mozilla VPN

Manage Firefox with Microsoft Endpoint Manager (Intune)

How to restore a browsing session from backup

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

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

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

Get started with Thunderbird

Block and unblock websites with parental controls on Firefox

Export bookmarks to Safari

FAQ Changing IMAP to POP

How to disable or change the Thunderbird start page

How to reset the default user agent on Firefox

Installing an Add-on in Thunderbird

Customize the Firefox home screen

Autocomplete settings in the Firefox Focus address bar

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

Add trusted websites to your allow list in Firefox Focus

Firefox for Enterprise Kiosk mode

Importing Safari data into Firefox

Use Web Apps with Firefox for Android

Upgrading from an older version of Thunderbird

Getting started with Thunderbird for Android

Disable Mozilla VPN protection for a specific website

Change your location for a specific website

Thunderbird for Desktop and Thundermail

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

How to fix preferences that won't save

Reset Firefox preferences to troubleshoot and fix problems

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

How do I quit Firefox for Android?

Message List Columns

How to Customize the New Mail Sound

Uninstall Firefox for Android extensions

Manage saved passwords in Firefox for Android

Voice input in Firefox for Android

Set Firefox as the default browser for iOS

Manage saved passwords in Firefox for iOS

Add a search engine to Firefox Focus for Android

Add search engines in Firefox Focus for iOS

How to add the translate add-on to Firefox

Access hidden tabs in Firefox

Install themes to change the look of Thunderbird

Change your two-step authentication device for your Mozilla account

How to configure Close Tab warnings in Firefox

View bookmarks on your home screen

How file downloads are handled in Firefox

My default search engine changed after updating Firefox

Enable light or dark mode in MDN

Site Permission Add-ons

Turn off ads on MDN Plus

Firefox Suggest for Mobile

Thunderbird and Exchange

Change your default browser

Firefox doesn't save web form entries

Thunderbird makes unrequested connections

Config Editor

How to Subscribe to News Feeds and Blogs

Scan QR codes in Firefox for Android

Change the default language on Firefox for iOS

Access your add-ons with a Mozilla account

Multi-Account Containers

Turn search suggestions on or off on Firefox for iOS

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

How is Facebook Container different from Multi-account Containers?

Customize Firefox using AutoConfig

Customize Firefox using Group Policy (Windows)

Assign shortcuts to search engines

Choose display languages for multilingual web pages

Getting started with the Thunderbird main window

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

Review installed extensions

Dangerous directories

Playing videos in Firefox for Android

Turn push notifications on or off in Firefox for iOS

Grant camera access to Firefox for Android

Set Firefox for Android to open links in native apps

Remove the Other Bookmarks folder from the Bookmarks Toolbar

View and control data collected by Mozilla VPN

How to opt out of studies on Firefox for iOS

Install the Firefox Relay extension on Firefox for desktop

Change your wallpaper in Firefox for iOS

Change your wallpaper in Firefox for Android

Change site permissions in Firefox Focus for Android

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

What languages is Mozilla VPN available in?

In what languages is Firefox Relay available in?

Enable or disable Local Network Access on iOS

Block links from opening in external apps

Thunderbird Mobile Telemetry

Configure push email for Thunderbird for Android

A program on your computer interferes with the Mozilla VPN extension

Manage the Mozilla VPN extension preferences

Stop screen brightness from dimming in Thunderbird for Android

Translate webpages in Firefox for iOS

Install the Thunderbird Pro Add-on in Thunderbird Desktop

Restore the default Smart Bookmarks Folders

Changes to toolbars and window sizes are not saved

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

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

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

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

Get help with Firefox Developer Edition

Maildir in Thunderbird

Thunderbird and Logjam

Customize your New Tab page to hide or display content

Enable or disable search engines on Firefox for iOS

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

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

Set Firefox Focus as default browser on Android

New Tab settings in Firefox for iOS

Remove a search engine in Firefox Focus for Android

Print simplified, clutter-free pages in Firefox

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

Privacy panel - Remote content and cookie settings in Thunderbird

How to replace Google Assistant with a Firefox search

Facebook Container isn't working

Block cookies in Firefox Focus for Android

Customize Firefox using policies.json

Change themes in Firefox for iOS

Firefox starts automatically when I restart Windows

Feed reader replacements for Firefox

Firefox Focus main Menu

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

Manage policies on macOS desktops

Disable high contrast mode in Firefox

Privacy settings in Firefox for Enterprise

Enforce 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

Legacy browser support extension for Windows

Collections in Firefox

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

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

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

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

OpenPGP Recipient Alias Configuration

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 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

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

How to move the address bar in Firefox for iOS

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

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

Mozilla VPN message center

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

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

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