Outlook 2025 Calendar Not Showing Appointments In Calendar. We've recently migrated to o365, and since we've been experiencing appointments missing from outlook calendar for one of our shared calendars. If the appointments and events are not showing up in the calendar on outlook, you can use the following methods to fix the issue:

The calendar was imported from the old computer to. If you find that the outlook calendar month view does not show appointments, you can attempt to restore the factory view for the folder of ‘calendars.’.