We need to have a category that is titled "Backwards Compatibilty".
When you open it, it has a big "You can't!".
I wish I had a dollar for every time I heard someone ask about itin the last 10 years.
This is not limited to SW. I've been thru it with SolidEdge andUnigraphics also.
The problem is caused by the Parasolid Kernal. It is licensed byUnigraphics to over 1000 software companies.
That is a lot of "how do I open a newer version?".
SolidworksGeneral