Emails
Learn to set up accounts, read, send and manage emails
Filelink for Large Attachments
Messages with large attachments are often rejected by mail servers. Thunderbird can use web-based storage services to send large file attachments.
Last updated: 5 months, 4 weeks ago
Blocking a sender
This article explains how to block a particular sender in Thunderbird.
Last updated: 8 years, 3 months ago
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.
Last updated: 4 years, 11 months ago
How to create and use mailing lists on Thunderbird
A mailing list is used to send one email to a group of contacts. This article explains how to create and use mailing lists in Thunderbird.
Last updated: 9 years, 3 months ago
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.
Last updated: 3 months, 2 weeks ago
Switch from POP to IMAP account
This article explains how to switch from a POP to an IMAP account in Thunderbird.
Last updated: 4 years, 2 months ago
Archived Messages
This article explains how the "archive" feature of Thunderbird works.
Last updated: 10 months, 3 weeks ago
Cannot send messages
If you cannot send messages with Thunderbird, this page provides a series of steps you can follow to check for common problems.
Last updated: 5 months ago
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.
Last updated: 6 years, 9 months ago
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).
Last updated: 5 years, 6 months ago
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.
Last updated: 8 years, 7 months ago
Cannot receive messages
If you cannot receive messages, this page provides a series of steps you can use to check for common problems.
Last updated: 5 months ago
What is the winmail.dat attachment?
When sending messages from email clients that use the Microsoft Exchange server, a file attachment called winmail.dat may be added. Learn how to prevent this.
Last updated: 5 years, 5 months ago
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.
Last updated: 5 years, 2 months ago
Unify your POP email accounts with a global inbox
We'll show you how to merge inboxes from various POP accounts to make what is called a global inbox, where all of the mail can be displayed in one place.
Last updated: 5 years, 10 months ago
New in Thunderbird 102
Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 102.0.
Last updated: 1 year, 8 months ago
Hyperlinks in Messages Not Working
When clicking hyperlinks in email, your default web browser should open and display their content. Learn why that may fail and why links may not be clickable.
Last updated: 2 years, 7 months ago
Open Search
Instantly take part of a message and search for it in Bing, Yahoo, Twitter or other websites.
Last updated: 5 years, 6 months ago
