These are officially maintained and distributed by Thunderbird. Download the latest Release version unless you wish to test the Beta version and report bugs.
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.