A .kit file I keep sharing can’t be opened by another user with his own account.  I’m using bootcamp, windows 10 x64, latest v12.  He has a PC, windows 10.  I have sent the .kit file by attaching it, right clicking and sharing, zip, and dropbox.  He can’t open any of them.  However, when I’ve sent a rendering and specs, he has recreated the design and shared the .kit file with me and I have been able to open and work on his file. What am I missing here?  He has the same catalogs as me. I’ve googled a ton and am coming up short.  ty for your help.