Provider for Google Calendar add-on: How to find an approved one?
I am using thunderbird email with their calendar from file>new calendar.
I have google calendar on my phone and want to sync both.
I cannot download Provider for Google Calendar add-on via the link on firefox/thunderbird web pages.
I get the error, "This file could not be installedbecause it has not been verified" when trying to install the package from:
Do I need to take it somewhere to get the verification???