Our goal is to remove the technical jargon, use plain language, and make it effortless to make decisions about their Thunderbird settings.

The Mobile Progress Report is back with roadmap and iOS updates, Thundermail integration, and notification improvement plans.

Thunderbird 153 "Meadow" is out now!

Quick overview of the insights gathered from interviewing 10 users about how they manage preferences and configurations in Thunderbird desktop.

Over the past several weeks, we have been welcoming early users from our waitlist into Thundermail, a few waves at a time. Many of you are now setting up your accounts, trying things out, and sharing your thoughts with us. Naming updates You may have noticed that we are now saying Thundermail more often, and […]

The Mobile Progress Report is back with roadmap and iOS updates, Thundermail integration, and notification improvement plans.

In 2023, my team started to work on an ambitious project: supporting Microsoft Exchange in Thunderbird. In this second (and last) instalment of this duology, I'll dive deeper into the practical and t...

I prefer to keep my email simple.

Towards the end of the summer of 2023 my team at MZLA Technologies Corp, the Mozilla Foundation subsidiary that looks after Thunderbird, started discussing a fairly ambitious project: adding support f...

A roadmap focus on modernizing code, a commitment to improving notifications, and our continuing work on the iOS app in this month's report.

At Thunderbird, we firmly believe in the strength of listening to our community’s needs and wants, and balancing it with our resources and capabilities. While this has always been part of our ethos, we want to start 2026 by making our goals easier to read and comprehend at roadmaps.thunderbird.net, where you will find our roadmaps […]

ThunderCast, the official Thunderbird podcast is back for another season! Let's kick things off with some insights on our roadmaps and what's ahead for our desktop and email clients.User testing discussions: https://thunderbird.topicbox.com/Roadmaps: https://roadmaps.thunderbird.net/Developer...

It's a bird! It's a plane! It's the new Thunderbird support team! Meet its new members and see how they're improving the support experience.

Design artist Michaela Martin shows us how she expanded our mascot Roc's world and brought it to vivid, illustrated life.

In the first Development Digest of 2026, read reports from a successful FOSDEM, updates on Exchange and Account Hub, Calendar news and more!

Life after Gmail

CHAOSScon Europe 2025, co-located with FOSDEM in Brussels, Belgium on Thursday, January 30, 2025.

As we get ready for the Thunderbird Pro launch, we want every service we offer to be secure and worthy of the trust our community places in us. That means being honest about where we stand today and t...

Thunderbird Exchange support has finally landed for email in the latest monthly release. Find out what's in, out, and still on the way.

Exchange is coming to Thunderbird 144 next month! Learn what's in and what's planned. Also, updates on Account Hub, Calendar UI, and more!