Knowledgebase

Installing Lightning into Thunderbird

In Thunderbird, open the extension manager using the Tools menu and clicking the Add-ons menu item.
Click the Install... button in the lower left hand corner of the Add-ons box.
Locate and select the file you downloaded and click OK
Close and re-open Thunderbird to finish the installation.
Please read the Lightning release notes before you use this software.

Congratulations, your calendar should now be correctly installed!

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