Hi Bruce and Steve,

Thanks for your reply.
I have 25 files in folder Y:\Addata. only 10 of them can be opened. Can you help me identify why the other cannot be opened?
ACGLOB.CNF (Yes)
APGLOB.CNF (Yes)
ARGLOB.CNF (Yes)
ATGLOB.CNF (No)
BRGLOB.CNF (Yes)
BTGLOB.CNF (No)
CRGLOB.CNF (No)
DCGLOB.CNF (Yes)
GCGLOBAL.CNF (No)
GLGLOB.CNF (Yes)
ICGLOB.CNF (Yes)
IRGLOB.CNF (Yes)
ITGLOB.CNF (No)
JXGLOB.CNF (No)
OEGLOB.CNF (Yes)
OEGLOBv.CNF (No)
OHGLOB.CNF (No)
QRGLOB.CNF (No)
SRGLOB.CNF (Yes)
TCGLOB.CNF (No)
TVGLOB.CNF (No)
TXGLOB.CNF (No)
X5GLOB.CNF (No)
XXGLOBAL.CNF (No)
ZPGLOB.CNF (No)

I appreciate your help.

Bruce