Formula's to Find/Delete Duplicates from a list
 

Duplicate Files Deleter (http://DuplicateFilesDeleter.com) is a simple, but effective tool to locate duplicate files in one or more selected search paths. It scans the files and compares them based on Byte for Byte Comparison, which ensures 100% accuracy. You can then choose to delete the selected duplicate or original files. The program is multi-threaded and performs scans quickly.