M365 Apple iCal/Calendar (How To) Unsubscribe from a Calendar
This document explains how to unsubscribe from a calendar in Apple iCal (Mac OS 10.5-7) or Calendar (Mac OS 10.8-9).
- Click on the Calendars button to display the list of calendars.
- Right-click your mouse on the calendar you wish to delete and from the pop-up menu select Delete.
Important: These steps, when applied to a local calendar, will permanently delete the local calendar and its data.