You can't.

--�
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, GD asked:

| Trying to add sound to a message in Outlook 2007. It used to be
| really easy, now apparently I have to under the file menu File -
| New- Multimedia Message. There is just one problem, I don't have
| that option. Using outlook 2007 professional as part of Office 2007
| Pro. How do I add this option?