Duplicate folders in the left Navigation pane of Explorer occur because of corrupt settings or files. We explain the resolutions for the same.

How to remove downloaded files To get rid of downloads, open the Downloads folder (you can access it from the yellow File Explorer folder). This is Windows’ default storage location, but you may also ...

Duplicate-file-finding programs expect you to manually check each file for deletion. That's not practical for Edward Derbyshire, who has "121,000 duplicates" to delete.