In this tutorial, we explain how to remove duplicate items from Outlook folders: E-mails, Contacts, Tasks or Calendar, by using the free ODIR (Outlook Duplicate Items Remover) program.
ODIR download link: http://www.vaita.com/ODIR.asp
The full instructions can be found here: http://www.wintips.org/remove-duplica...
Read more free Windows tips & how-tos on: http://www.wintips.org