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

Thunderbird (32-bit)

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Thunderbird 78.10.0 (32-bit)

  -  47.6 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 78.10.0 (32-bit).


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 78.10.0 (32-bit)

  • Thunderbird 78.10.0 (32-bit) Screenshots

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    Thunderbird 78.10.0 (32-bit) Screenshot 1
  • Thunderbird 78.10.0 (32-bit) Screenshot 2

What's new in this version:

Fixed:
- Usability & theme improvements on Windows

Various security fixes:
- Out of bound write due to lazy initialization
- Use-after-free in Responsive Design Mode
- Secure Lock icon could have been spoofed
- More internal network hosts could have been probed by a malicious webpage
- Blob URLs may have been granted additional privileges
- Arbitrary FTP command execution on FTP servers using an encoded URL
- Incorrect size computation in WebAssembly JIT could lead to null-reads
- Port blocking could be bypassed
- Race condition when reading from disk while verifying signatures

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