Integration with Other Applications > Windchill Workgroup Manager Documentation > CATIA V5 > User > Advanced Techniques for CATIA V5 > CGR File Management for Large Assemblies > Part CGR Files in Windchill
  
Part CGR Files in Windchill
Given that CGR files contain only geometric display data, they cannot be queried for external links or metadata. CGR CAD documents are file type CGR with subtype CGR .
CGR references in assemblies are saved as structure links in Windchill.