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

Thunderbird (32-bit)

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Thunderbird 31.0

  -  25.25 MB  -  Open Source
Free Download

Security Status

  • Latest Version

    Thunderbird 133.0 (32-bit)

  • Operating System

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

  • User Rating

    Click to vote

  • Author / Product

    Mozilla Organization / External Link

  • Filename

    Thunderbird Setup 31.0.exe

  • MD5 Checksum

    a5fa021758848df4f995ef6521605eb9

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 31.0.


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 31.0

  • Thunderbird 31.0 Screenshots

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

    Thunderbird 31.0 Screenshot 1
  • Thunderbird 31.0 Screenshot 2

What's new in this version:

- New: Autocompleting email addresses now matches against any part of the name or email
- New: Composing a mail to a newsgroup will now autocomplete newsgroup names
- Fixed: Insecure NTLM (pre-NTLMv2) authentication disabled

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