MS Access DDL drop contains the following files: MSADDL11.DLL Windows DLL containing the DDL functions MSA_DDL.H Header file for writing C clients to MSA DDL MSA_DDL.TXT MS Access Basic include file TEST_DDL.MDB MS Access Basic test program MSA_DDL.LIB For linking C clients in the MSA DDL DLL file README.TXT You're reading it now MSADDL11.TXT Documentation for using MSADDL11.DLL