Read, send and organize emails

Learn how to manage your email messages

  • 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.
  • Blocking a sender This article explains how to block a particular sender in Thunderbird.
  • Archived Messages This article explains how the "archive" feature of Thunderbird works.
  • 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.
  • Global Search Thunderbird includes a message indexing system that improves search performance and displays faceted (categorized) search results.
  • How to Use Attachments This article explains how to use attachments.
  • Remote Content in Messages This page explains the privacy implications of allowing remote content like images to be displayed in email messages.
  • Signatures This article explains how to create and use custom signatures (text or images that are automatically appended to messages).
  • Cannot send messages If you cannot send messages, this page provides a series of steps you can use to check for common problems.
  • Message threading in Thunderbird - keep messages grouped by conversation Threading is a useful way of displaying message list in Thunderbird with your messages grouped in tree structures by conversations. Here's how to enable it.
  • Quick Filter Toolbar The Quick Filter toolbar is used to limit the number of messages that are displayed in the message list. Learn more about how to use it.
  • Cannot receive messages If you cannot receive messages, this page provides a series of steps you can use to check for common problems.
  • 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.
  • Message List Columns This article explains how to configure the columns that Thunderbird displays in message lists.
  • How can I send a large attachment? This article explains how to use Thunderbird (or other services) to send large attachments.
  • New Email Address This article explains how you can subscribe to a personalize email address with Thunderbird.
  • Organize Your Messages by Using Filters What message filters are and how to use them effectively.
  • Addressing an Email How to address mail in Thunderbird, including multiple recipients.
  • 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.
  • 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.
  • Sending and Receiving Messages on Thunderbird This article explains the sending and receiving functions in Thunderbird.
  • Digitally Signing and Encrypting Messages This tutorial explains how to set up Thunderbird to digitally sign, encrypt and decrypt messages in order to make them secure.
  • 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.
  • Open Search Instantly take part of a message and search for it in Bing, Yahoo, Twitter or other websites.
  • 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.
  • Message Tags - Categorize your email in Thunderbird Message tags let you organize your email messages by categories. Learn how to use them.