The open-source email client trusted by millions. Free forever, with no ads or data tracking. Available for Windows, macOS, Linux and Android.
Download Thunderbird Desktop
Download the latest version of Thunderbird for Windows, macOS and Linux. These builds are officially maintained and distributed by Thunderbird. Select your platform and language, then click Download.
The Daily channel is where development and testing begin, and new features are developed. This is expected to be the least stable channel. Make sure you back up important data regularly.
May not work with all add-ons.
Learn more.
The Beta channel is where stabilization occurs. This is expected to be more stable than Daily, but not as stable as the Release or Extended Support Release channels. Make sure you back up important data regularly.
May not work with all add-ons.
Learn more.
The official Extended Support Release channel. This release is intended for users who want all available new features on an annual basis and stability/security fixes on a monthly basis.
May not work with all add-ons.
Learn more.
The official Thunderbird Release channel. This release is intended for users who want all available new features and bug fixes on a monthly basis.
May not work with all add-ons.
Learn more.
No trial, no subscription. Thunderbird is 100% free to download and use.
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No Ads or Tracking
Thunderbird doesn't read your emails or sell your data. Open source, always.
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Windows, Mac & Linux
One email client for every desktop OS. Same great experience everywhere.
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Version 148.0
Updated monthly. 52 MB installer. No bundled software, no registration.
Frequently Asked Questions
How do I download Thunderbird for Windows?
Select Windows 64-bit from the dropdown above and click Download. The setup wizard installs Thunderbird in under a minute. Compatible with Windows 10 and Windows 11.
Is Thunderbird free to download?
Yes. Thunderbird is 100% free — no trial period, no subscription, no paid tier. It is open-source software. If you find it valuable, you can support it with a donation.
What is the latest version of Thunderbird?
The latest stable release is Thunderbird 148.0, released on a monthly update cycle with new features and security fixes. See our Desktop features page for what's new.
Can I download Thunderbird for Mac?
Yes. Choose macOS in the dropdown. Thunderbird supports macOS 10.12 (Sierra) and later, including Apple Silicon (M1, M2, M3) chips natively.
Is Thunderbird safe? Does it collect my data?
Thunderbird does not collect personal data, read your emails, or sell ads. It is maintained by MZLA Technologies, part of the Mozilla family. The source code is publicly auditable on GitHub.
Is there a Thunderbird app for Android?
Yes. Thunderbird for Android is available on Google Play and F-Droid. It brings the same open-source, privacy-first experience to your smartphone.
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