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

Thunderbird (32-bit)

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Thunderbird 5.0

  -  13.43 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 5.0.


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.


We would love to hear from you

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 5.0

  • Thunderbird 5.0 Screenshots

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

    Thunderbird 5.0 Screenshot 1
  • Thunderbird 5.0 Screenshot 2

What's new in this version:

- More responsive and faster to start up and use
- Thunderbird is based on the new Mozilla Gecko 5 engine
- New Add-ons Manager
- Revised account creation wizard to improve email setup
- New Troubleshooting Information page
- Tabs can now be reordered and dragged to different windows
- Attachment sizes now displayed along with attachments
- Plugins can now be loaded in RSS feeds by default
- There are several theme fixes for Windows Vista and Windows 7
- Support for Mac 32/64 bit Universal builds (Thunderbird will no longer support PowerPC on Mac)
- Over 390 platform fixes that improve speed, performance, stability and security

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