Have a read through https://forum.xojo.com/t/how-can-i-access-a-volume-by-name/21542 there’s plenty of code snippets and pointers there, let us know if you get stuck on any finer points. The code I posted on dropbox will do what you want but might be a little overkill and or need some work but there are nuggets of info on that thread including links to the WFS in Andrew post.