To share your calendar with another Exchange user:

  1. In Outlook, at the bottom click on the Calender tab

  2. In the left column, right-click Calendar under My Calendars, when the dialog box appears click Properties.

  3. In the Calender Properies box that appears, click Permissions

  4. Next select "Add..." to enter the person who you want to share with in the Add box.

  5. Search for the person you want to add. The address book will work as Last Name, First Name

    (searching for a last name should be sufficient).

  6. You can double click their name OR click the Add-> button. Just make sure that their name

    appears at the bottom.

  7. Once you've added them, you can adjust their level of permission (make sure you have their names

    highlighted first).

  8. Here is a breakdown of each level of permission:

    OwnerCan use the calendar as you would
    Publishing EditorEditor + can create sub-folders
    EditorCan view/add/delete items. Cannot share calendar with others
    Publishing AuthorAuthor + can create sub-folders
    AuthorCan only edit/delete items they created
    Non-editing AuthorCan only create/delete items. Cannot edit any item on the calendar (even theirs)
    Reviewer Can only view details of calendar items 
    Contributor Can add items but can only view details of their own
    Free/Busy time,subject,location Can only view items as free/busy chunks, their subjects and locations.
    Free/Busy time Can only view items as free/busy
    None Absolutely no access 
  9. Once you have chosen the suitable level of permission for the person, hit APPLY and OK.

  10. The person you added should now be able to add and view your calendar (permission permitting).