Windows 11 documents folder has duplicate documents, how to deduplicate?
Download Clone Files Checker: https://www.clonefileschecker.com/
Click on the System Scan tab
Set the Scan Mode to File Search..
Select your Documents folder, and then click on Open. .
In the Customize Scan, select the Custom option: Documents.
Click on Start Search.
Once the scan finishes, click on Review & Fix.
Click on Select Duplicates, and choose a selection pattern of your choice.