CATIA: Export CATIA v5 file into IGES file

Converting the Catia file in CATPart format into IGES is a simple two step process. IGES file is a universal CAD file format that can be transferred/imported to any other CAD softwares without any loss of data
  1. Open the CAD in CATIA which you need to convert to igs
  2. Go to File ? Save as . In the Save as window Choose file type as igs and Click OK.
Now your CATIA file will be exported and saved as igs file in selected folder location. It can be transferred to any other CAD software like NX, ProE, etc.