For instructions to set change calendar permissions in Microsoft 365 using Windows or Outlook Web app please see How to Set or Change Calendar Permissions using Microsoft 365 Outlook - Windows

or How to Set or Change Calendar Permissions using Microsoft Outlook -Web app

The permission to view free and busy times in your calendar changed with the migration from Exchange to an Office 365 mailbox. You may need to modify your Office 365 mailbox calendar permissions to suit your own needs. This article describes how to set or change permissions.

Setting permissions for someone on your calendar

To change permissions for someone see the instructions below.

1. Open Outlook for Mac.

2. Click the Calendar icon towards the bottom-left of the Outlook window.
   
   

   Open

   

    

3. Right-click your calendar under My Calendars in the left navigation list and then select Sharing Permissions… from the pop-up menu list. Or with only your own calendar visible click the Calendar Permissions button on the ribbon.

   Open

   

    

4. Click the add user button [plus sign] at the lower-left of the Calendar Properties: Permissions window.

    

5. Enter a name you wish to search for in the search field. It will provide a list of suggestions of users, distribution lists, and resources from the Global Address List.

   1. Click to select the name you want to choose from the list.

   2. Click the Permissions menu below the list of names and select the appropriate level of access from the six available options:

   3. Then click the Add button at lower-right.
      
      

Changing permissions for someone on your calendar

1. Select a name in the User list and then either

   1. change the level of permissions using the menu at the right of the entry.
      
      

   2. Or click the Minus button [-] towards the lower-left to remove the user from the Permissions list.
      
      

2. Click the Done button at bottom-right to close the Calendar Properties: Permissions window

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