Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Featured Articles

Filelink for Large Attachments

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.

Channel Choices for Thunderbird Snap and Flatpak

Channel Choices for Thunderbird Snap and Flatpak

This article discusses choosing a channel to install Thunderbird on Linux using Snap and Flatpak

Profiles - Where Thunderbird stores your messages and other user data

Profiles - Where Thunderbird stores your messages and other user data

Thunderbird saves personal information such as messages, passwords and user preferences in a set of files called a "profile".

Remote Content in Messages

Remote Content in Messages

This page explains the privacy implications of allowing remote content like images to be displayed in email messages.

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