Select File | Direct CAD Interfaces | CATIA 5 to open an Import dialog box.
Navigate to the folder that contains the file you want to import.
Select a CATPart or CATProduct file.
Click Import to import the CATIA 5 part file.
Use PC-DMIS as usual.
During the import process, you can use the Cancel button to cancel the import. If you already had a CAD model loaded before the import, PC-DMIS retains the previous CAD model.