I found it. I'm on my way.

Ok some success. The problem wasn't opening the ACAD2004.dwg in iCAD but opening a drawing done and saved in iCAD in ACAD. I saved a test drawing as dxf and it will open in my old AutoCAD version. I tried making a pdf to print from there and there is a difference in the prints from ACAD and iCAD. Th...

That's exactly the way I want it to look! I'll give that a try. Thanks so much. Any thoughts regarding the "save as AutoCAD 2004"? I've tried it again and still says 'drawing file invalid'. Unfortunately I opened one of my previous drawings which I did not save in iCad, but I'm afraid it w...

Steve thanks for the response.

It says Classic. I think I tried the ribbon as well. See screenshot below (I hope).
Any comments on the problem with snaps?

I decided to try iCad after my old desktop with AutoCAD LT 2006 died. I'm retired but do occasional projects and like having something I can use to draw on. I have a project that I'm trying iCad on. I have probably spent 12 hours using it so far. I read a bit of the user manual. I have the following...