If you recently upgraded to Thunderbird 115 and noticed a smaller font size or a presentation that feels too compact, here’s how to fix it!

Thunderbird 115 “Supernova” will be intuitive and welcoming to new users, while remaining familiar and comfortable for veteran users. See how we’re accomplishing that balance with a preview of the new Folder Pane.

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!

We understand that certain add-ons are invaluable to your workflow. So, to help you decide the best time to update your version of Thunderbird, here’s a simple way to discover if the extensions you currently have installed are compatible with Thunderbird 102.

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.

The wait for this year’s major new Thunderbird release is almost over! But you can test-drive many of the new features like the brand new Address Book, Matrix Chat support, import/export wizard, and refreshed visuals right now with the Thunderbird 102 Beta. Better still, you might be directly responsible for improving the final product via your feedback and bug reports.

Treating online articles, news, and videos just like email is surprisingly intuitive. Here’s how to use the magic of RSS to bring your favorite web content to your Thunderbird inbox.

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!