Cadence Orcad 15.7

files created in 15.7 can typically be opened in 15.7 PCB viewers, but might encounter issues in much newer versions (e.g., 17.x or 24.x) without conversion. Licensing:

OrCAD 15.7 is a "suite" of tools, each handling a specific stage of the electronic design process: cadence orcad 15.7

If you are using the older (not PCB Editor): Access : Go to Tools > Post Process . files created in 15