From Outlook;
- Select the Calendar button in the Navigation Bar.
- Select the calendar that you would like to share, right-click on the Calendar and choose Share >Calendar Permissions.
- On the Permissions tab, you may add or remove users to whom you have delegated access to your calendar.
- To add a new delegate, select Add... and search for the desired user by Last Name. You can search the Global Address List or your personal contacts list by selecting the appropriate dropdown menu under Address Book. Under the Permissions heading, choose the level of detail you would like to provide to the user.
- To remove a delegate, select the user and choose Remove.
- Choose Apply >OK.