Installation and updates

Move Thunderbird data to a new computer

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

Last updated: 12/30/24

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".

Last updated: 12/20/23

Install Thunderbird on Linux

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

Last updated: 1/14/25

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.

Last updated: 11/25/24

Install Thunderbird on Windows

This article describes how to install Thunderbird on Windows.

Last updated: 11/17/24

Import settings and data into Thunderbird for Android

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

Last updated: 1/14/25

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.

Last updated: 1/31/18

Install Thunderbird on Mac

This article describes how to install Thunderbird on Mac OS.

Last updated: 11/25/24

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.

Last updated: 4/2/23

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.

Last updated: 9/20/22

Thunderbird Beta

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

Last updated: 5/16/23

Installing an Add-on in Thunderbird

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

Last updated: 12/17/23

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.

Last updated: 1/11/24

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.

Last updated: 2/8/18

Upgrading from an older version of Thunderbird

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

Last updated: 3/6/24

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.

Last updated: 4/11/16

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.

Last updated: 8/25/24

New in Thunderbird 115 Supernova

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

Last updated: 1/12/24

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

Last updated: 11/29/24

New in Thunderbird 128 Nebula

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

Created: 7/11/24

Thunderbird Software Update Failed

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

Last updated: 11/9/16

Dedicated profile per Thunderbird installation

Different Thunderbird installations need separate profiles. Learn more.

Last updated: 8/4/20

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.

Last updated: 9/3/21