The Google Calendar Sync Utility utility will work with Outlook (all versions).
The calendar will sync to Outlook but it is read-only.
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For more information see: Exchange Outlook Calendaring Problems.
Double click on Enable Automatic Upgrade and choose Disabled, then click Apply and close the dialog. Anyone can block the updates by setting the following registry key (create the keys if they are missing): HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\office\15.0\common\officeupdate DWORD: enableautomaticupgrade Value: 0 enableautomaticupgrade You'll need to close and restart Outlook for values under the policy key to apply.
Users who were auto-upgraded to Office 2016 from Office 365 Personal, Home, or University and need to revert back to Outlook 2013 will need to contact Microsoft support by selecting Contact Answer Desk on the Microsoft support page.
MS states that color categories in Outlook 2007/2010 are different than previous Outlook versions and are not stored with the pst files (which we use Exchange, cached, ost files) so MS states you can't migrate them between Outlook mailboxes which confuses me because the other user claims that his categories changed when he got the shared calendar.
Has anyone encountered this issue with color categories and shared calendars?