Unshare Calendar Outlook. Can't unshare my shared calendar. Outlook for android outlook for ios.

In the calendar view, select the shared calendar you want to unshared. Follow the steps below to delete a calendar and check if this helps:
How Do I Remove Someone From My List Of Shared Calendars?
Select the checkbox next to:
I Have One Calendar Listed Under My Outlook Shared Calendars.
From the menu that appears, tap on the gear icon next to calendar you’d like to remove.
Share Your Calendar With Others.
Images References :
Select The Sharing And Permissions Option.
Click folder > calendar permissions.
Select The Checkbox Next To:
Follow the steps below to delete a calendar and check if this helps:
Tap On Remove Shared Calendar To Remove The Calendar.