Installation and updates
Learn how to install your favorite Mozilla products and keep them updated.
Thunderbird and Junk / Spam Messages
This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").
Moving Thunderbird Data to a New Computer
How to move Thunderbird data (accounts, messages, passwords) to a new computer.
Export your Thunderbird Profile
Thunderbird's export tool lets you create a backup of your Thunderbird profile including accounts, messages, address books, and settings.
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".
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.
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.
Installing Thunderbird on Linux
This article will show you how to install Thunderbird on Linux.
Installing Thunderbird on Mac
This article describes how to install Thunderbird on Mac OS.
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.
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.
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.
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.
Installing Thunderbird on Windows
This article describes how to install Thunderbird on Windows.
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.
Upgrading from an older version of Thunderbird
This article will help you upgrade old versions of Thunderbird to the latest version.
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.
Switch from POP to IMAP account
This article explains how to switch from a POP to an IMAP account in Thunderbird.
Installing an Add-on in Thunderbird
Add-ons add functionality to Thunderbird or change its appearance. Learn how to install add-ons to Thunderbird.
Thunderbird Beta
Test new features and fixes in the most stable pre-release build of Thunderbird.
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.
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.
Well known sources for downloading the Thunderbird email software
This page lists the recommended ways to obtain Mozilla Thunderbird.
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.
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.
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.
New in Thunderbird 102
Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 102.0.
New in Thunderbird 115 Supernova
Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 115.0 Supernova.
Verifying 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