Last Updated: March 25, 2021
When you try to share a calendar by using Microsoft Outlook, Outlook on the web, or Exchange Online PowerShell, you receive one or more of the following errors messages.
Outlook for Windows - This calendar can't be shared by one or more people.
Outlook on the web - You don't have permission to share your calendar with < email address>.
Exchange Online PowerShell - Your request can't be completed. You don't have permission to share this calendar.
The Office team is currently investigating this issue. For more information about this error, go to Error message when you share a calendar in Microsoft 365.
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