Why migration to Enterprise Cobol requires to convert PDS to PDSE?
Enterprise Cobol V5 and Higher creates Program Objects that can only resided in PDSE.
If using PDS load libraries, start moving to PDSE load libraries before upgrading to Enterprise Cobol.
BSTXCOPY is the recommended Endevor utility to complete such migration.
For any other option, please have a look to Enterprise COBOL for z/OS Migration Guide.
See our other Knowledge document.
TEC1177035 - New CA Endevor BSTXCOPY Utility to convert from PDS to PDSe.
TEC1680682 - How can I check that my processor are ready to works with Enterprise Cobol?