Introducing The Brand New Thunderbird Logo!
We asked Jon Hicks, the creator of the original Firefox and Thunderbird logos, to re-imagine his iconic design in light of Thunderbird’s exciting future.

We asked Jon Hicks, the creator of the original Firefox and Thunderbird logos, to re-imagine his iconic design in light of Thunderbird’s exciting future.
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.
“Why does Thunderbird look so old, and why does it take so long to change?” Let’s answer that burning question with some important history, and a look into the future.
In Thunderbird 102.7.0, we will be making some changes to the way we handle OAuth2 authorization with Microsoft accounts, and this may involve some extra work for users currently using Microsoft-hosted accounts through their employer or educational institution.
Last week we showed you the new Swipe actions in K-9 Mail 6.400. Today, it’s something even more exciting: a completely redesigned message view!
The path to bringing you a great email experience on Android devices begins with K-9 Mail, which joined the Thunderbird product family earlier this year. As we work towards a modern redesign of desktop Thunderbird, we’re also working towards improving K-9 Mail as it begins its transition to Thunderbird mobile!
A few short years ago, Thunderbird was on the verge of extinction. But you saved us! Today, we need your help again.
Life gets busy. That’s why the new calendar in Thunderbird Supernova is being designed to look and feel comfortable. It will help you more efficiently sift, sort, and digest all the crucial details of your day.
Need help with Thunderbird? Whether you need tech support or just an answer to a question, here’s how to find the help you need. And how to help the people who are helping you!
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!