A free email application from Mozilla that`s easy to set up and customize

Thunderbird for Mac

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Download Thunderbird 78.1.1

Thunderbird 78.1.1

  -  66.3 MB  -  Open Source

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system. Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Thunderbird 78.1.1.


For those interested in downloading the most recent release of Thunderbird for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • Thunderbird 78.1.1 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

What's new in this version:

Changes:
- Building OpenPGP shared library linked to system libraries now supported
- MailExtension errors now shown in Developer Tools console by default
- MailExtensions: Dynamic registration of calendar providers now supported

Fixes:
- OpenPGP improvements
- Message preview was sometimes blank after upgrading from Thunderbird 68
- Email addresses whitelisted for remote content not displayed in preferences
- Importing data from Seamonkey did not work
- Renaming a mail list did not update the side bar
- MailExtensions: messenger.* namespace was undefined

Known Issues:
- Mail header toolbar (Reply, Forward, Archive, Junk buttons) no longer configurable
- Fixed width font not working in compose window

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