New in Thunderbird 68.0
User facing changes in Thunderbird 68
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.
Moving 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".
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 and Junk / Spam Messages
This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").
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.
New in Thunderbird 60
This article describes the major changes in Thunderbird version 60.0 released in August 2018.
Installing Thunderbird on Windows
This article describes how to install Thunderbird on Windows.
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.
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.
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.
New in Thunderbird 45.0
This article describes the major changes in Thunderbird version 45.0 released in April 2016.
New in Thunderbird 52.0
This article describes the major changes in Thunderbird version 52.0 released in April 2017.
Thunderbird Beta
Test about-to-be-released features and fixes in the most stable pre-release build.
Dedicated profile per Thunderbird installation
Different Thunderbird installations need separate profiles. Learn more.
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.