1. Open Microsoft Outlook.
2. Select the calendar icon in the lower left-hand corner of Outlook.
3. From the Home tab, select Open Calender.
4. Select "Open Shared Calendar" from the drop-down menu.
5. Select the Name button.
6. Enter the name of the shared calendar in the search field.
7. Highlight the name of the shared calendar from result list and then click on the OK button.
8. Click on the OK button on the "Open a Shared Calendar" window.
9. The added calendar will be listed in the "Shared Calendars" collection on the left side of the Outlook application.
10. You can show or hide the shared calendar by selecting or deselecting the checkbox next to the calendar name.
Software related issues.