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Microsoft 365 (Outlook for Mac) - Unable to open/subscribe to a calendar due to a permission error

When you attempt to open/subscribe to a another calendar via Outlook for Mac, you receive the error below:

cannot open folder error

The reason for this error is:

  • You have not been granted the necessary permissions - at a minimum, you need "full details" permissions to open a calendar. Any permission below this level will cause this error and the calendar will not be opened. Ask the owner of the calendar to confirm/verify the permissions you have been granted.

Microsoft reference.

Keywordsmicrosoft office365 o365 m365 microsoft 365 subcalendar sub-calendar folder permissions share open 2016 2019 proplus secondary primary error you do not have permission to open this folder outlook cannot open the folder   Doc ID58927
OwnerO365 S.GroupMicrosoft 365
Created2015-12-15 12:54:40Updated2023-02-02 09:22:57
SitesDoIT Help Desk, Microsoft 365
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