Starting with Thunderbird version 52, Thunderbird requires Mac OS X 10.9 (Mavericks) or higher. If you are on an earlier version of Mac OS X, there are options for you to continue using a secure version of Thunderbird.
If you want Thunderbird to be the default email application, click Yes to set it as your default mailer. If not (for example if you are just trying out Thunderbird) click No. The Installing Thunderbird on Mac OS X chapter in the Thunderbird FLOSS manual The Uninstalling chapter in the Thunderbird. Firefox Lockwise. Take the passwords you’ve saved in Firefox with you everywhere. Download for iOS; Download for Android; Support; Firefox Monitor. See if your personal info has been leaked online, and sign up for future breach alerts.
- While Thunderbird will still continue to work on unsupported versions, using Thunderbird on a supported version will provide you with the best and safest user experience. Option 2: Download Thunderbird version 45. Thunderbird 45 will continue to work with Mac OS X 10.6, 10.7 and 10.8 but will not receive any further updates or security fixes.
- Thunderbird is now part of MZLA Technologies Corporation, a wholly owned subsidiary of Mozilla Foundation. Portions of this content are ©1998–2020 by individual contributors. Content available under a Creative Commons license. Contribute to this site.
Mozilla Thunderbird Download
To ensure the safest email experience, we recommend upgrading to a Mac OS version that Apple supports. Visit this Apple Support Page to learn more about upgrading.
Thunderbird For Mac Os
While Thunderbird will still continue to work on unsupported versions, using Thunderbird on a supported version will provide you with the best and safest user experience.
Firefox Thunderbird For Mac
Thunderbird 45 will continue to work with Mac OS X 10.6, 10.7 and 10.8 but will not receive any further updates or security fixes. Thunderbird 45 can be downloaded from here. First pick the folder for your locale and then download the package.