Thank you for your time regarding this. I will get with the supplier of the GM Tool Kit and see if they have an answer.
If I find out anything I will post the info.
These files are being created in the same folder as the .prt files. These have the same name as the .prt files.
We have no idea how these files are being created. No i havent tried opening them in a text editor, will give that a try.
The only thing that comes to mind would be recent updates to...