Download Thunderbird For Mac Os X
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.
Download and Install Thunderbird Use your web browser to visit the Thunderbird download page at This page detects your computer's operating system and language, and it recommends the best version of Thunderbird for you to use. Portable Thunderbird OS X is the popular Mozilla Thunderbird email client packaged so you can carry it around with you on any portable device, USB thumb drive, iPod, portable hard drive, memory card, other portable device (also on your internal hard disk) as long as it has 55 MB of free space and use on any Mac OS X computer, taking your email, address book and account settings with you.
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.
Download Thunderbird Mac Os X
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.
Thunderbird For Mac Pc
Thunderbird For Mac Os X Free Download
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.