How to Set or Change Calendar Permissions using Microsoft 365 Outlook - Windows
For instructions to set change calendar permissions in Microsoft 365 using MacOS or Outlook Web app please see How to Set or Change Calendar Permissions using Microsoft 365 Outlook - MacOS
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How to Set or Change Calendar Permissions using Microsoft Outlook -Web app
The permission to view free and busy time in your calendar changed with the migration from Exchange to a Microsoft 365 (M365) mailbox. You may need to modify your M365 mailbox calendar permissions to suit your own needs. This article describes how to set permissions.
Note: It is best practice to review the Calendar Permissions list each term, when there are staff changes in your department, or when the membership changes on a committee.
Setting permissions for someone on your calendar
To change permissions for someone see the instructions below.
Open Outlook for Windows.
Click the Calendar icon towards the bottom-left of the Outlook window.
Right-click your calendar under My Calendars, and then select Sharing Permissions… from the pop-up menu list.