A few months back I moved all my "data" folders from their default location to a newly installed second HDD.  After a bit of fumbling that seemed to have worked.  The original Documents folder (for example) still seemed to exist as C:\users\[username]\documents\, and to contain all the original subfolders (there were many), but all those subfolders were "empty" if you went to look at them.  The data were now physically located at D:\Documents\ and appeared in the same arrangement as originally, i.

https://www.bleepingcomputer.com/forums/t/775843/moved-documents-to-new-hdd-some-files-still-saved-to-old-location/

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