To Import a CATIA V5 Part or Assembly File
1. Click File > Open. The File Open dialog box opens.
2. Select CATIA V5 CATPart (*.CATPart) or CATIA V5 CATProduct (*.CATProduct) in the Type box.
3. Select the CATIA V5 *.CATPart part file or the *.CATProduct assembly file from the list of available files or browse to find the CATIA V5 file.
* 
The File Open dialog box is set to Open by default and you can open the CATIA V5 file as a non-Creo model by default.
4. Select Import in the File Open dialog box. The Import New Model dialog box opens.
5. Select Part or Assembly as Type.
6. Continue to use the current profile that is in use or select an import profile from the Profile list. If you want to customize the import profile settings, click Details to open the CATIA V5 import profile editor, CATIA V5 — Import Profile. The Enable ATB option is selected by default on the import profile and the Import New Model dialog box.
* 
If you want to import colors from the CATIA V5 file, click the Include colors option on the Misc tab of the import profile in use.
7. Clear the default selection of the Enable ATB option and retain the selection of Customize layers in the Import New Model dialog box to customize layer import.
8. Click OK. The Layer Import Options dialog box opens when you clear the selection of the Enable ATB option and retain the selection of Customize layers in the Import New Model dialog box.
9. Select layers for import and set their import status in the Layer Import Options dialog box. The CATIA V5 CATPart or the CATProduct file is imported with Associative Topology Bus (ATB) capabilities. The import log file is automatically generated in the working directory.