A real example from a working archive:

PES2008 PS2 version is the lost game / video thread - Evo-Web 28 Aug 2017 —

An Option File is a saved data file that overwrites the default database of the game. It allows players to bypass licensing restrictions by manually adding real team names, updated kits, and the latest player transfers. For a game released over 15 years ago, these files are the only way to keep the rosters fresh and relevant to the modern football landscape.

Have a rare option file not listed here? Contact the author at the PES Legacy Forums. Long live the King—PES 2008.

The PES community is known for its dedication and creativity. The development and sharing of option files are a testament to this, with many modders and fans creating and distributing these files to enhance the PES 2008 experience.