visECAD doesn't read Supermax ECAD designdata.
I'm not aware of any other tool than Supermax ECAD to view these files.
can I convert my files into the visECAD format...?
I'm not aware of any way that you can get Supermax designs into visECAD.
Your best bet is to obtain a Supermax license to view the designs in Supermax. I suggest you contact your local Mentor office.