How to undo the item I had move to other folder?

[aclim]

I had accidentally "copy" and "move" my inbox item to Archive folder, Now, my
folder in Archive have double item in it at same folder, Undo function it's
impossible now, can somebody explain how to do it to delete the same item
instead of delete it one by one? Please help me....

 

[omnitechsupport]

You can delete bulkduplicate item by downloading software from below link.
http://www.office-outlook.com/outlook-addins/duplicate-email-remover.html