Copying drawings from one project to another

I’ve been trying to copy drawings from one project to another using the library, but I think I’m doing something wrong.

I follow the directions in this thread: https://forums.toonboom.com/toon-boom-harmony/general-discussion/copying-drawing-layers-one-harmony-file-another-harmony-file

but I can’t import any of the drawings into the project. I can’t drag and drop them or import them.

I’m running off a windows 10 computer.