Learn the Basics. Get Started
New in Thunderbird 78.0
Illustrated overview of user facing changes in Thunderbird 78.
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 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.
How to change the Thunderbird layout
Thunderbird contains three layout options for you to choose from to best fit your preference.
Thunderbird end of Support for XP and Vista
Support for Windows XP and Vista has ended.
Maildir in Thunderbird
Optional support for Maildir allows you to store email as individual files, unlike the default single file format. Learn about Maildir in Thunderbird.
Ignoring threads
The Ignore Thread (or Subthread) feature is very useful for mailing lists. It lets you skip reading the rest of a conversation you're not really interested in.
Make Thunderbird the Default Mail Client
If Thunderbird is specified as your system's default email application, it will integrate with other applications (such as word processors and web browsers).
Thunderbird Accessibility Features
Find out about all of the Accessibility features available in Thunderbird.
Dangerous directories
Some system folders are not allowed when setting Thunderbird storage location as they cause issues.
Protect your Thunderbird passwords with a Master Password
Make Thunderbird require you to enter a master password in order to view or use passwords you've told Thunderbird to remember.
The difference between IMAP and POP3
Thunderbird gives users the choice between using IMAP or POP3. This documentation will explain the major differences between these protocols.
Cannot send messages
If you cannot send messages with Thunderbird, this page provides a series of steps you can use to check for common problems.
New in Thunderbird 68.0
User facing changes in Thunderbird 68
Getting started with the Thunderbird main window
An overview of the Thunderbird Mail and Newsgroups window, explaining the Folder pane, Message List pane, Header pane, Message pane, and Today pane.
