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Windows 10 reached EOS (end of support) on October 14, 2025. For more information, see this article.

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Thunderbird
Settings

Settings

Manage and customize your product experience with settings, add-ons, and more.

In English

Thunderbird and Junk / Spam Messages

Filelink for Large Attachments

Import settings and data into Thunderbird

Thunderbird and Gmail

How to change the Thunderbird layout

Customize Date and Time formats in Thunderbird

Thunderbird add-ons - frequently asked questions

Import settings and data into Thunderbird for Android

Signatures

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

Use multiple profiles in Thunderbird

Message threading in Thunderbird - keep messages grouped by conversation

Profile Manager - Create and remove Thunderbird profiles

Thunderbird and Exchange

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

The difference between IMAP and POP3

Switch from POP to IMAP account

Get started with Thunderbird

FAQ Changing IMAP to POP

Compacting folders

Installing an Add-on in Thunderbird

IMAP Synchronization

How to Subscribe to News Feeds and Blogs

Install themes to change the look of Thunderbird

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

How to disable or change the Thunderbird start page

Config Editor

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

Maildir in Thunderbird

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

Getting started with the Thunderbird main window

OpenPGP Recipient Alias Configuration

Creating a Newsgroup Account

Make Thunderbird the Default Mail Client

Message List Columns

Configuration Options for Accounts

Thunderbird makes unrequested connections

How to Customize the New Mail Sound

Display the Thunderbird menus and toolbar

Privacy panel - Remote content and cookie settings in Thunderbird

Unified Toolbar

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

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

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

Dangerous directories

Unable to uninstall add-ons (extensions or themes)

Upgrading from an older version of Thunderbird

userChrome.css and .js and userContent are unsupported

Thunderbird Matrix Chat FAQ

Notifications in Thunderbird

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