... delete duplicate emails. folder of or them to your your duplicates with a phrase of your choice. Specify what criteria need to consider emails as duplicates.
Delete duplicate contacts, notes, tasks, etc. in Microsoft Outlook; searching across folders. A duplicate found can be marked, copied or moved to any folder. Works as an add-in for Microsoft Outlook 2000-2007.
Automatically delete duplicate Contacts from MS Outlook. Move them to your Deleted folder or another of your choice. Prefix duplicates with a phrase of your choice.