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

Thunderbird (32-bit)

Thunderbird 45.1.0

  -  33.33 MB  -  Open Source
  • Latest Version

    Thunderbird 133.0 (32-bit)

  • Operating System

    Windows XP / XP64 / Vista / Vista64 / Windows 7 / Windows 7 64 / Windows 8 / Windows 8 64 / Windows 10 / Windows 10 64

  • User Rating

    Click to vote
  • Author / Product

    Mozilla Organization / External Link

  • Filename

    Thunderbird Setup 45.1.0.exe

  • MD5 Checksum

    3773875ca19773cec38c2c39933ed8ae

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 45.1.0.


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.


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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!

  • Thunderbird 45.1.0 Screenshots

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

    Thunderbird 45.1.0 Screenshot 1
  • Thunderbird 45.1.0 Screenshot 2