How To
Articles that tell you how you can do more with Thunderbird
Thunderbird and Junk / Spam Messages
This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").
Last updated: 03/23/2024
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: 12/03/2023
Import settings and data into Thunderbird
With Thunderbird's import tool, you can import settings and data from a variety of sources including Thunderbird profiles, other applications or files.
Last updated: 06/30/2022
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.
Last updated: 01/05/2023
Export your Thunderbird Profile
Thunderbird's export tool lets you create a backup of your Thunderbird profile including accounts, messages, address books, and settings.
Last updated: 06/30/2022
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.
Last updated: 03/07/2024
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: 02/13/2015
Archived Messages
This article explains how the "archive" feature of Thunderbird works.
Last updated: 07/08/2023
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: 09/03/2017
Switch from POP to IMAP account
This article explains how to switch from a POP to an IMAP account in Thunderbird.
Last updated: 03/09/2020
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.
Last updated: 06/03/2017
Customize Date and Time formats in Thunderbird
How to customize date and time formats in Mozilla Thunderbird using regional settings or override preferences.
Last updated: 10/17/2022
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: 12/28/2023
Installing an Add-on in Thunderbird
Add-ons add functionality to Thunderbird or change its appearance. Learn how to install add-ons to Thunderbird.
Last updated: 12/17/2023
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: 10/27/2015
Adding a holiday calendar
Learn how to add a list of holidays to your calendar in Thunderbird.
Last updated: 03/08/2019
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: 11/10/2018
Setup your email account for using End-To-End Encryption
To use End-To-End Encryption with Thunderbird, you must prepare your own keys or certificates in account settings. This article explains what to do.
Last updated: 10/16/2022
Thunderbird 115 Supernova FAQ
This document answers questions for new users of Thunderbird 115 Supernova, in particular users who have upgraded from a previous version.
Last updated: 01/11/2024
Open Search
Instantly take part of a message and search for it in Bing, Yahoo, Twitter or other websites.
Last updated: 11/18/2018
Uninstall Thunderbird from your computer
This article will explain how to uninstall Thunderbird from your computer
Last updated: 03/15/2016
Thunderbird 78 FAQ
This document answers questions for new users of Thunderbird 78, in particular users who have upgraded from a previous version.
Last updated: 12/05/2020
Thunderbird and OpenPGP Alias Keys
How to use the OpenPGP Alias Keys feature to bypass Thunderbird's usual requirement that an OpenPGP public key must contain the recipient's email address.
Last updated: 06/20/2022
New in Thunderbird 115 Supernova
Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 115.0 Supernova.
Last updated: 01/12/2024
Protect your Thunderbird passwords with a Primary Password
Make Thunderbird require you to enter a primary password in order to view or use passwords you've told Thunderbird to remember.
Last updated: 2 weeks ago
Add Search Engine to Open Search
Open Search enables Thunderbird users to search various websites from within Thunderbird. This article describes how to add additional websites to the Open Search interface.
Last updated: 11/25/2018
How to Customize the New Mail Sound
Learn how to customize the sound that plays when a new email message is received.
Last updated: 01/31/2018
Thunderbird Accessibility Features
Find out about all of the Accessibility features available in Thunderbird.
Last updated: 09/28/2023
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.
Last updated: 04/11/2016
Tables - Format messages with rows and columns
How to create Tables in emails. Tables use columns and rows to create cells which can contain text or images.
Last updated: 11/18/2018
Managing Thunderbird Updates
Learn about automatic updates for Thunderbird deployments and how to ensure that the latest security patches are applied and all features are available.
Last updated: 09/03/2021
Profiling Thunderbird Performance
How to create a Thunderbird performance profile to find causes of high CPU load or slowness.
Last updated: 03/02/2024
OpenPGP Recipient Alias Configuration
How to set up and use the OpenPGP recipient Alias feature in Thunderbird.
Created: 07/28/2021
New in Thunderbird 102
Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 102.0.
Last updated: 09/15/2022
Prerequisite for sending an encrypted email message
This article explains why Thunderbird may report that it cannot encrypt an email that you attempt to send.
Last updated: 04/23/2023
Instructions for obtaining a personal S/MIME certificate by creating a CSR
Description of the manual process of obtaining an S/MIME certificate for email security, using a Certificate Signing Request (CSR) generated by Thunderbird.
Last updated: 2 weeks, 6 days ago
