We have Win2K3 domain with Exchange 2003 w/ BlackBerry Enterprise. The users are using Office 2007 with Outlook 2007. Last week I was noted that one user is having problem with some of his Deleted Items being duplicated. He has no rules or filters applied on his Outlook. His blackberry is set with same IT policy with other users. Also, there is no obvious patterns to what type of emails are being duplicated. Sender, time, size, attached/unattached, etc are all random. I google the problem and saw similiar posting but found none with decent answer.