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
Compacting folders
This article explains how Thunderbird stores messages on a disk drive and why it is necessary to periodically compact (purge).
Last updated: 08/09/2021
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
Using Multiple Profiles
Thunderbird saves personal information such as messages, passwords and user preferences in a "profile". This article describes how to use multiple profiles.
Last updated: 07/02/2021
Configuration Options for Accounts
Learn about the Account Settings window including server settings, identities, signatures, and more.
Last updated: 11/13/2018
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
FAQ Changing IMAP to POP
If your mail server supports both IMAP and POP, Thunderbird will use IMAP by default. Use these instructions to manually configure a POP account.
Last updated: 07/17/2018
Config Editor
Using the config editor to view or edit Thunderbird preference settings.
Last updated: 10/25/2023
Configuration Options for Attachments
This page describes Thunderbird's configuration options for attachments.
Last updated: 11/21/2021
Advanced panel - System, network, updates, and other advanced settings in Thunderbird
Learn about the Advanced panel of the Thunderbird Options/Preferences window including scrolling, system integration, network, update, certificates, etc.
Last updated: 03/18/2019
Security panel - Junk, scam, antivirus, and password settings in Thunderbird
Learn about the Security panel of the Thunderbird Options/Preferences window including junk mail control, scam detection, antivirus integration, and passwords.
Last updated: 02/14/2022
Creating a Newsgroup Account
Thunderbird can be used to read messages from and write messages to Usenet newsgroups.
Last updated: 07/23/2018
How to disable or change the Thunderbird start page
Change the Thunderbird start page to any webpage, or set it to a blank page.
Last updated: 1 day, 23 hours ago
Names but no Email Addresses are Displayed
I can only see the message sender's name, not address!
Last updated: 11/24/2018
Configuration Options for Identity
This page describes Thunderbird's configuration options that affect your identity.
Last updated: 11/09/2016
Certificates
Created: 02/13/2014
Block a sender
Created: 02/13/2014
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
Privacy panel - Remote content and cookie settings in Thunderbird
Learn about the Privacy & Security options in Thunderbird (mail/web content, cookies, passwords, junk/spam detection, data collection, antivirus, certificates).
Last updated: 07/09/2023
Dangerous directories
Some system folders are not allowed when setting Thunderbird storage location as they cause issues.
Last updated: 06/26/2020
Primary Password is replacing Master Password in Thunderbird
Primary Password is replacing Master Password. Learn more about why we are making this change.
Last updated: 05/17/2022
