Download, install and migration

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.

Export your Thunderbird Profile

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

Installing Thunderbird on Windows

This article describes how to install Thunderbird on Windows.

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".

Installing an Add-on in Thunderbird

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

Switch from POP to IMAP account

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

Installing Thunderbird on Mac

This article describes how to install Thunderbird on Mac OS.

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.