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