Is This Content Helpful?
We're glad to know this article was helpful.
Renaming the file extension of a CAD drawing in ArcCatalog always appends the original file extension. This results in the CAD drawing possessing two file extensions. For example, attempting to rename ‘buildings.dwg’ to ‘buildings.cad’ results in ‘buildings.cad.dwg’.
This is a known issue.
Use Windows Explorer to rename the file extension of a CAD drawing.