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Learn how to find out what Thunderbird version you are using, to help troubleshoot a problem or just to know if Thunderbird is up to date.

# Click the Application menu button [[Image:New Fx Menu]], then go to the {menu Help} menu and choose {menu Troubleshooting Information}. A new tab will open with information about your setup.{for win}<br/><br/>[[Image:tb52-help-troubleshooting]] <br/>{/for}{for mac}<br/><br/>[[Image:tb52-help-troubleshooting-mac|width=300]] <br/>{/for} # Under '''Application Basics''', refer to the number beside '''Version'''. That is the version of Thunderbird you are using.{for win}<br/><br/>[[Image:tb52-version]]{/for}{for mac}<br/><br/>[[Image:tb52-version-mac]]{/for}