On the Tools menu, click Migrate Specs and Catalogs.
Click Migrate and Copy Spec and Catalog Files
In the Select Specs and Catalogs to Migrate dialog, specify one or more files (for example: C:\AutoCAD Plant 3D
2021 Content\CPak ASME\ASME Valves Catalog.pcat).
In the Spec and Catalog Migration Complete dialog, click Open the Migrated Files Folder in File Explorer to view the migrated content.