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

Thunderbird (32-bit)

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Thunderbird 52.9.1

  -  38.7 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 52.9.1.


For those interested in downloading the most recent release of Thunderbird (32-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 52.9.1

  • Thunderbird 52.9.1 Screenshots

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    Thunderbird 52.9.1 Screenshot 1
  • Thunderbird 52.9.1 Screenshot 2

What's new in this version:

Changed:
- Thunderbird will now prompt to compact IMAP folders even if the account is online

Fixed:
- Complete fix of the EFAIL vulnerability: 1) Removing some HTML crafted to carry out an attack. 2) Optionally: Not decrypting subordinate message parts that otherwise might reveal decrypted content to the attacker. Preference mailnews.p7m_subparts_external needs to be set to true for added security.
- Various problems when forwarding messages inline when using "simple" HTML view
- Deleting or detaching attachments corrupted messages under certain circumstances (not working only in Thunderbird version 52.9.0)

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