Installation and updates

Thunderbird and Junk / Spam Messages

This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").

Move Thunderbird data to a new computer

How to move Thunderbird data (accounts, messages, passwords) to a new computer.

Profiles - Where Thunderbird stores your messages and other user data

Thunderbird saves personal information such as messages, passwords and user preferences in a set of files called a "profile".

Export your Thunderbird Profile

Thunderbird's export tool lets you create a backup of your Thunderbird profile including accounts, messages, address books, and settings.

Import settings and data into Thunderbird

With Thunderbird's import tool, you can import settings and data from a variety of sources including Thunderbird profiles, other applications or files.

Import settings and data into Thunderbird for Android

How to import email settings from K-9 and Thunderbird for Android

Update Thunderbird to the latest version

Thunderbird automatically updates itself by default but you can always do a manual update. Learn how to update Thunderbird.

Install Thunderbird on Linux

This article will show you how to install Thunderbird on Linux.

Install Thunderbird on Windows

This article describes how to install Thunderbird on Windows.

Profile Manager - Create and remove Thunderbird profiles

Thunderbird stores your personal information and settings in a profile folder. Learn to work with different profiles on Thunderbird.

IMAP Synchronization

IMAP stands for the Internet Message Access Protocol. It enables a mail client (such as Thunderbird) to access messages stored on a mail server. It is more modern and fully featured than POP (Post Office Protocol), which is the other major protocol for accessing mail messages. Most email providers now support IMAP. To see whether your account uses IMAP or POP, check the Server Settings page in the Account Settings.

Display the Thunderbird menus and toolbar

The menu items File, Edit, View, etc. are located in the menu bar. This article will help you restore a missing menu bar.

Switch from POP to IMAP account

This article explains how to switch from a POP to an IMAP account in Thunderbird.

What is the Mozilla Maintenance Service?

Firefox and Thunderbird install Mozilla Maintenance Service to allow seamless background updates. Learn how it works and how to disable or remove it.

Thunderbird Beta

Test new features and fixes in the most stable pre-release build of Thunderbird.

Install Thunderbird on Mac

This article describes how to install Thunderbird on Mac OS.

Installing an Add-on in Thunderbird

Add-ons add functionality to Thunderbird or change its appearance. Learn how to install add-ons to Thunderbird.

Recover user data missing after Thunderbird update

If your messages, addresses, passwords, preference settings and other data are missing, it may be available in another Thunderbird profile. Learn more.

Well known sources for downloading the Thunderbird email software

This page lists the recommended ways to obtain Mozilla Thunderbird.

Switching to Thunderbird

This article explains how you can switch to Thunderbird from your current mail application, such as Windows Mail, Outlook or also Mail on Mac OS and Evolution on Linux.

Find what version of Thunderbird you are using

Learn how to find out what Thunderbird version you are using, to help troubleshoot a problem or just to know if Thunderbird is up to date.

Managing Thunderbird Updates

Learn about automatic updates for Thunderbird deployments and how to ensure that the latest security patches are applied and all features are available.

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

Thunderbird 91.8.0, released 5th April 2022, converts Gmail accounts to OAuth 2.0 in compliance with Google's schedule for requiring this login method.

New in Thunderbird 102

Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 102.0.

Custom installation of Thunderbird on Windows

The custom setup option in the Thunderbird full, offline installer lets you choose the Windows program folder location and shortcuts. Learn more.

Upgrading from an older version of Thunderbird

This article will help you upgrade old versions of Thunderbird to the latest version.

Thunderbird and Gmail

Thunderbird can be set up to work seamlessly with Google's Gmail. Messages will be synchronized between your local version of Thunderbird and web-based Gmail.

Thunderbird Software Update Failed

This article presents possible solutions to this problem and workarounds to get Thunderbird updated.

How do I move my Thunderbird data to a new computer?

Installing Ubuntu on Ubuntu Linux

Moving Thunderbird Data to a New Computer Redirect 1

Installing Thunderbird on Ubuntu Linux

How can I get the latest version of Thunderbird on Windows XP or Vista?

How to update to the latest version of Thunderbird on Windows XP and Vista.

Your hardware is no longer supported by Thunderbird

On computers with processors older than Pentium 4, Thunderbird is no longer supported as of version 52.

Thunderbird support has ended for Mac OS X 10.6, 10.7 and 10.8

Thunderbird version 52 and above are no longer supported on Mac OS X 10.6, 10.7 and 10.8. Learn more about your options.

Dedicated profile per Thunderbird installation

Different Thunderbird installations need separate profiles. Learn more.

New in Thunderbird 115 Supernova

Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 115.0 Supernova.

Verify a Mozilla Thunderbird installation package

This article explains how to verify a Thunderbird installation package that was downloaded from thunderbird.net or archive.mozilla.org

New in Thunderbird 128 Nebula

Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 128.0 Nebula.