Find what version of Thunderbird you are using

Thunderbird Thunderbird Last updated: 3 days ago
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  1. Click the Thunderbird App Menu ☰ > Help menu > Troubleshooting Information. A new tab will open with information about your setup.
  2. Under Application Basics, refer to the number beside Version. That is the version of Thunderbird you are using.

These fine people helped write this article:

Chris Ilias, Tonnes, Michele Rodaro, Roland Tanglao
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