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Show or hide a calendar on Mac
You can choose which calendars you want to see.
Go to the Calendar app
on your Mac.
Choose View > Show Calendar List, then do one of the following:
Show or hide a calendarβs events: Select or deselect the calendarβs checkbox in the Calendar list.
Show or hide events from all calendars: Press the Command key while you select or deselect any calendarβs checkbox.