The stackorigin will guide you how can you Open another person’s Calendar in Outlook.
- Open your outlook.
- Click the calendar icon in the lower left of Outlook.
- In the Manage Calendars group, click Open Calendar, and then click Open Shared Calendar.
- Type a name in the Name box, or click Name to select a name from the Address Book.
- Click “OK.”
- The name of the shared calendar will also appear on the left-hand side of the screen with checkbox’s. Uncheck this box to close the shared calendar. You can recheck this box later to view the shared calendar again.