UPDATE ......From Tuesday 8 April 2025 we have changed the way that Single Sign-on works on this wiki. Please see here for more information:
Update
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The good thing is you can have non-federated accounts as well, you'll need to use https://www.google.com/a/cpanel/domain.com
to access the control panel.
From there, the admin can also make backups of calendars.
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