In his article How to Easily Remove Duplicate Tracks on iTunes [Windows] Jim Henderson writes “But first you need to check if you have duplicate items listed, but they are actually the same files. You can do this by sorting the tracks in name order (click on the Name column header), then right clicking one of the duplicates, and choosing Get Info.”
If your two files are exactly the same he says deleting one will delete both. Almost all my duplicates fit this criteria. How do I get rid of one of them without deleting both?