From the dashboard menu, navigate to the User Maintenance page. If you do not see this option, contact the user at your organization that is in charge of User Maintenance.

Click on the users name to open the user screen

After you select a user to edit a dialog window should appear, on this dialog window click on the 'Calendar' tab. This tab will show you all users/groups that have permission to the selected user's calendar and what type of permission they have to said calendar.

If you select the Add button an additional dialog will appear, on this dialog it will list all Users and Groups. Once you have located the wanted User/Group select the Ok button, this will close the dialog and add the User/Group to the Calendar tab. Note: The search functionality in the top right corner can be used to filter the Users/Groups list that is provided.

Once back in the Calendar tab you can select any User/Group and edit the type of permission they have to the open user's calendar.

Create Items = selected user/group can create items on the users calendar

Edit All = selected user/group can edit any calendar item on the users calendar

Edit Own = selected user can only edit calendar items they created

Delete All = selected user/group can delete any item on the users calendar

Delete Own = selected user can only delete items they created on the users calendar