Many times I do not connect directly to my Design Library if I have lots of designs on the drive and don't use them often. This takes up resources in your computer to display the images of the designs and if you don't use them often, but always getting reviews and guidance of
Choosing the embroidery machine
from seniors it may be running your computer slower to always display. What I do is to access them as an external drive when I need them by clicking on the drive which you'll find further down the list. You can see here, I have my external drive. This is something you may check on.
iCloud also works. I use iCloud because I can backup and access my files across many devices. Download the iCloud for Windows software. The files then appear as a drive in Explorer and can be used by Hatch. As Kim said, anything that can appear in Explorer will be available to Hatch.