Users have the ability to share calendars with other individuals on campus as well as grant various levels of access, detailed below. Calendar sharing permissions and access levels must be completed by the users who wish to share their calendars with other individuals.
The permission levels are defined as:
Reviewer or Editor are appropriate for allowing others to schedule and change appointments on your behalf.
Select the next person added above and repeat the steps to assign a permission level. Remember to apply permission for each person you selected.
When you are done, click Apply and then click OK
The permissions will not apply for end-users until they close and restart Outlook or restart their PCs.