Does IBM offer a PL/I compiler for Windows? No, IBM no longer offers a PL/I compiler for Windows. How to refer to assembler DS PL3 in a PL/I program? PL3 is packed decimal, length 3 (bytes). That would correspond to fixed decimal(5), as a nibble of the 3 bytes is for the sign, and the remaining 5 nibbles for digits. How do I stop the PL/I compiler from being invoked with IBM File Manager? IBM File Manager contains a version of the PL/I compiler which is automatically invoked. There is a PTF available to fix the issue: Find out more How can I submit a PL/I Case (former PMR) to the IBM support team? You can submit a PL/I Case at the link below. Find out more Can I link C and PL/I modules? Yes, PL/I can call C/C++ routines. Learn more. Find out more Buy now and get started Contact us Expert resources to help you succeed Product documentation Find answers quickly in IBM product documentation. Support Learn more about product support options.