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Lightning 68.9.0 Requires Restart
Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
About this Add-on
Lightning is no longer required on Thunderbird 78 and above.
This listing is only maintained for Thunderbird 68 and below.
Please see the complete version history for older versions of Thunderbird.