Originally Posted by Dubdub
The BB doesn't sync with Windows contacts as far as I know. If he can move them to Outlook, then that is an easy sync with the BB using DM.
Another option would be to sync Windows contacts with Google Contacts and then use Google Contact sync on the BB.
Now if the BB is connected to BES, that could be another issue all together.
Dubdub is correct.
Both the iPhone and the BlackBerry platforms will sync with MS Outlook and with Google Contacts. To move stuff from the iPhone to a BlackBerry (or vice-versa), you must find a common denominator.