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Thunderbird for Mac

Thunderbird 31.4.0

  -  57.59 MB  -  Open Source

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 31.4.0.


For those interested in downloading the most recent release of Thunderbird for Mac 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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  • Thunderbird 31.4.0 Screenshots

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    Thunderbird 31.4.0 Screenshot 1
  • Thunderbird 31.4.0 Screenshot 2
  • Thunderbird 31.4.0 Screenshot 3
  • Thunderbird 31.4.0 Screenshot 4
  • Thunderbird 31.4.0 Screenshot 5

What's new in this version:

Fixed:
- The previous issues with Japanese Mac builds have now been fixed, and Thunderbird will no longer need to be run in 32-bit mode.
- Installing extensions within Thunderbird no longer requires download and installing as a file
- Security fixes