Installation and updates

Move Thunderbird data to a new computer

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

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.

Import settings and data into Thunderbird for Android

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

Install Thunderbird on Windows

This article describes how to install Thunderbird on Windows.

Thunderbird 128 Nebula FAQ

This document answers questions for new users of Thunderbird 128 Nebula, in particular users who have upgraded from a previous version.

Install Thunderbird on Linux

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

Installing an Add-on in Thunderbird

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

Install Thunderbird on Mac

This article describes how to install Thunderbird on Mac OS.

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.

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.

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.

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.

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".

Thunderbird 115 Supernova FAQ

This document answers questions for new users of Thunderbird 115 Supernova, in particular users who have upgraded from a previous version.

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

Thunderbird Beta

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

New in Thunderbird 115 Supernova

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

Thunderbird Software Update Failed

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

Uninstall Thunderbird from your computer

This article will explain how to uninstall Thunderbird from your computer

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.

Dedicated profile per Thunderbird installation

Different Thunderbird installations need separate profiles. Learn more.

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.

Upgrading from an older version of Thunderbird

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

Well known sources for downloading the Thunderbird email software

This page lists the recommended ways to obtain Mozilla Thunderbird.

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.

Thunderbird end of Support for XP and Vista

Support for Windows XP and Vista has ended.

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.

New in Thunderbird 128 Nebula

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