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.
Keyboard shortcuts - perform common Thunderbird tasks quickly
Keyboard shortcuts are quick key combinations that replace mouse navigation. This is a list of commonly used keyboard shortcuts in Thunderbird.
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.
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.
Introduction to End-to-end encryption in Thunderbird
This article explains what end-to-end encryption is and how to use it to protect the contents of your email in Thunderbird.
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.
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.
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.
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.
Thunderbird and Logjam
Thunderbird no longer supports 512 bit (so called US export) keys for TLS connections.
New in Thunderbird 102
Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 102.0.
Keyboard Shortcuts for Searching
This page describes the keystroke combinations used to access various search functions in Thunderbird.
Instantly take part of a message and search for it in Bing, Yahoo, Twitter or other websites.
Thunderbird Accessibility Features
Find out about all of the Accessibility features available in Thunderbird.
Some system folders are not allowed when setting Thunderbird storage location as they cause issues.
New in Thunderbird 78.0
Illustrated overview of user facing changes in Thunderbird 78.
New in Thunderbird 91
Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 91.0.
OpenPGP keys might be authentic or counterfeit
How to avoid accepting a counterfeit OpenPGP key when Thunderbird asks you to accept the public key of a correspondent.