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CloseReview for Provider for Google Calendar by Old-School
Rated 1 out of 5 stars
Worked fine until I shut down Thunderbird. After that it would not sync with Google Calendar at all no matter what I tried. I uninstalled it, and set up Thunderbird 115 to use a Network Calendar with Google Calendar. This works fine and no sync issues.
This review is for a previous version of the add-on (115.0.2).To create your own collections, you must have a Mozilla Add-ons account.