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

Thunderbird for Mac

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Thunderbird 78.5.1

  -  66.3 MB  -  Open Source
Free Download

Security Status

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 78.5.1.


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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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download Thunderbird 78.5.1

  • Thunderbird 78.5.1 Screenshots

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    Thunderbird 78.5.1 Screenshot 1
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  • Thunderbird 78.5.1 Screenshot 5

What's new in this version:

New:
- OpenPGP: Added option to disable email subject encryption

Changes:
- OpenPGP public key import now supports multi-file selection and bulk accepting imported keys
- MailExtensions: getComposeDetails will wait for "compose-editor-ready" event

Fixes:
- New mail icon was not removed from the system tray at shutdown
- "Place replies in the folder of the message being replied to" did not work when using "Reply to List"
- Thunderbird did not honor the "Run search on server" option when searching messages
- Highlight color for folders with unread messages wasn't visible in dark theme
- OpenPGP: Key were missing from Key Manager
- OpenPGP: Option to import keys from clipboard always disabled
- The "Link" button on the large attachments info bar failed to open up Filelink section in Options if the user had not yet configured Filelink
- Address book: Printing members of a mailing list resulted in incorrect output
- Unable to connect to LDAP servers configured with a self-signed SSL certificate
- Autoconfig via LDAP did not work as expected
- Calendar: Pressing Ctrl-Enter in the new event dialog would create duplicate events
- Various security fixes

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