: Assets within the "tree" of folders are edited. For example, a modder might swap a character's texture or replace a music file.
or application are you trying to edit (e.g., PES, another Sega title)? cpk file editor
: Edit the individual files (textures, scripts, etc.) within that folder using appropriate software (e.g., Photoshop for textures). : Assets within the "tree" of folders are edited