message appears : " Warning: the file being read in is not a STEP AP203 or AP214 file. Do you want to continue?"
and opens a assembly blank blank empty.
sorry for my bad english.
SOLIDWORKS only supports STEP AP203 or AP214 at the moment.
Where did you got the file from? Can you ask them to send in different format like Parasolid?
Can you attach the STEP file here?
If you open it with Windows Notepad - does it appear to be valid data compared to a STEP file that you know works OK?
Retrieving data ...