While highly associated with PES 2017, the tool works across several iterations of the series, including PES 2016 through PES 2021. How to Use the Tool for PES 2017 Modding
: Some extracted files may still be compressed using "zlib." You may need additional tools to further unpack these specific individual files once the CPK is opened. player IDs for PES 2017 to help with your face or kit relinking? Pes 2017 Cri Packed File Maker