You could upload files using the web browser. Not sure if that would work for you.
There was a project for a virtual drive, which sounds like it could be what you are looking for. I’m not sure what its status is now though.
Other than that, I don’t think NC can do what you want it to do at the moment.
Yes, me for one, the method I suggested in my previous answer works fine for me, but everybody’s mileage varies.