An organization has added a custom Outlook form containing a new message class.
Which steps must the administrator perform to ensure the new form is archived from users’ mailboxes?
A. add the form to the Directory > Properties and then include it on the appropriate Mailbox policies
B. add the form to the Directory > Properties and then include it on the appropriate Desktop policies
C. add the form to the Site > Properties and then include it on the appropriate Mailbox policies
D. add the form to the Site > Properties and then include it on the appropriate Desktop policies