A few short years ago, Thunderbird was on the verge of extinction. But you saved us! Today, we need your help again.

The Spaces Toolbar gives you fast access to your Mail, Address Books, Calendars, Tasks, Chat, and more! But did you know it can be customized? Learn how in our new Thunderbird Tip video!

This short video guide helps you get more organized. Learn how to manually sort all of the Thunderbird folders you have, including newsgroup and RSS feed subscriptions!

Introducing “Thunderbird Tips” and a new YouTube channel to help you get the most out of your Thunderbird experience!

Making Thunderbird requires an entire community: programmers, graphic designers, translators, writers, financial supporters, enthusiastic fans, quality assurance helpers, bug hunters, & beta testers. Want to contribute and help make Thunderbird better than ever? Here’s how!

Thunderbird 102 is here! On behalf of the entire Thunderbird team, I’m thrilled to announce the availability of our major yearly release. Thunderbird 102 is loaded with highly-requested features, and we think you’ll be delighted by them.

Today, we announced our detailed plans for Thunderbird on mobile. We also welcomed the open-source Android email client K-9 Mail to the Thunderbird family. Below, you’ll find an evolving list of frequently asked questions about this collaboration and our future plans.

What was Thunderbird’s income in 2021? How much was spent? How much is left in the bank? Here’s a breakdown of our 2021 financials, and how it affects our team, our product, and our roadmap.

Thunderbird 102 includes major new features for our global community of users, and we’re confident you’ll love them. Here’s a sneak peek!