If you cannot move or copy large-size folders from one external HHD to another external HDD, then this post will help resolve the problem. Moving a large size file or a huge folder is not uncommon.

Anyone got a good guide for moving Win10 install to a new SSD drive? Difficulty: I have an Intel "Optane" 60GB SSD that is set up as some sort of RAM-Drive like deal and am not sure exactly how that ...