Settings

Manage and customize your product experience with settings, add-ons, and more.

Export your Thunderbird Profile

Thunderbird's export tool lets you create a backup of your Thunderbird profile including accounts, messages, address books, and settings.

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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.

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Compacting folders

This article explains how Thunderbird stores messages on a disk drive and why it is necessary to periodically compact (purge).

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Signatures

This article explains how to create and use custom signatures (text or images that are automatically appended to messages).

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Archived Messages

This article explains how the "archive" feature of Thunderbird works.

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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.

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Use multiple profiles in Thunderbird

Thunderbird saves personal information such as messages, passwords and user preferences in a "profile". This article describes how to use multiple profiles.

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Notifications in Thunderbird

This allows Mozilla to push important, time-sensitive notifications to users. These notifications are scheduled based on version, OS and locale.

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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.

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Installing an Add-on in Thunderbird

Add-ons add functionality to Thunderbird or change its appearance. Learn how to install add-ons to Thunderbird.

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Configuration Options for Accounts

Learn about the Account Settings window including server settings, identities, signatures, and more.

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How to Customize Toolbars

This article explains how to customize the position and contents of Thunderbird toolbars.

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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.

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Message List Columns

This article explains how to configure the columns that Thunderbird displays in message lists.

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Config Editor

Using the config editor to view or edit Thunderbird preference settings.

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Open Search

Instantly take part of a message and search for it in Bing, Yahoo, Twitter or other websites.

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New in Thunderbird 102

Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 102.0.

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Unified Toolbar

Intro to the Unified Toolbar and how to customize the buttons for the different toolbars for: Mail, Address Book, Calendar, Tasks, Chat and Settings "Spaces."

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Creating a Newsgroup Account

Thunderbird can be used to read messages from and write messages to Usenet newsgroups.

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Configuration Options for Tags

This page describes Thunderbird's configuration options as they relate to tagging messages.

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Instant Messaging and Chat

As of Thunderbird 52.x, Thunderbird supports instant messaging and chat using IRC, XMPP, Twitter, and Google Talk

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Dangerous directories

Some system folders are not allowed when setting Thunderbird storage location as they cause issues.

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New in Thunderbird 115 Supernova

Detailed introduction to the most interesting new features, improvements, and changes visible to users in Thunderbird 115.0 Supernova.

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