Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

Apr 7, 2025 · This article describes how to install Thunderbird on Windows. If you are upgrading from a previous version of Thunderbird, see Update Thunderbird to the latest version.

In Algonquian mythology, the thunderbird controls the upper world while the underworld is governed by the underwater panther or Great Horned Serpent. The thunderbird creates not just thunder (with its …

Thunderbird is a personal information manager (PIM) with e-mail, newsgroup, news feed, and instant messaging functionality, with calendar functionality inbuilt since version 78.0 and previously available …

This article explains how Thunderbird stores messages on a disk drive and why it is necessary to periodically compact (purge). Mozilla does not provide telephone support and does not charge for …

Mozilla Thunderbird and the Thunderbird logos are trademarks of the Mozilla Foundation.

Thunderbird is a free email client for Windows, macOS and Linux — built by an independent non-profit and trusted by millions of users worldwide. Unlike web-based email services, Thunderbird runs …

Learn how to download, install and use Thunderbird. Step-by-step guide covering account setup, email organization, filters and add-ons.

Feb 19, 2026 · Mozilla Thunderbird is an open-source, easy-to-use email client originally released in 2003. The program acts as a hub where you can organize all your email addresses and the …