From Rolling Software:
Are you being annoyed by duplicate items in your Microsoft Outlook folders? Duplicate Email Deletor (DED) present you a quick and easy way to be free of that. This is much helpful when say, a synchronize operation with your Palm/PDA results in unwanted duplicate messages; and a connection break occurred while receiving a great number of messages, and already received messages were received again. It saves your time by deleting duplicates that occur within a single folder or across folders.
What's new in this version:
This version is the first release on CNET Download.com.
Of the place it did search, it did seem to find the dups.
For what it would do it seemed okay but then there is the part if wouldn't do. It would not search across folder, like the archive folder, it went so quickly that I would have liked a chance to observe the dups before taking action on them.
It started out well enough but then I found I could only search one email folder. I need more than that.