If you have administrator permissions, you can replace an 'Assets' folder with symlink (not just a shortcut) named 'Assets' that links to a folder on another drive
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Heard, thank you. Never really encountered use of this before, I'll look into it. Quick look at how to set it up implies I might not even have to make a symlink folder at the other end, and that I can create direct links to files. That would be better, as most of my data is organized into various folders and subfolders on a specific drive.