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

Thunderbird (64-bit)

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Thunderbird 91.7.0 (64-bit)

  -  53.7 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 91.7.0 (64-bit).


For those interested in downloading the most recent release of Thunderbird (64-bit) 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 91.7.0 (64-bit)

  • Thunderbird 91.7.0 (64-bit) Screenshots

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    Thunderbird 91.7.0 (64-bit) Screenshot 1
  • Thunderbird 91.7.0 (64-bit) Screenshot 2

What's new in this version:

Changed:
- Thunderbird will use the first occurrence of headers that should only appear once

Fixed:
- Auto-complete incorrectly changed a pasted email address to the primary address of a contact
- Attachments with filename extensions that were not registered in MIME types could not be opened
- Copy/Cut/Paste actions not working in Thunderbird Preferences
- Improved screen reader support of displayed message headers
- Various security fixes

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