Use a tool like myMC to open your Mcd001.ps2 file found in the PCSX2 memcards folder.
Before we dive into the specifics of Naruto Shippuden Ultimate Ninja 5 save data, it's essential to understand how PS2 save data works. The PS2 used a proprietary format for saving game data, which was stored on memory cards. These memory cards, officially known as PlayStation 2 Memory Cards, had a limited capacity, typically ranging from 8MB to 32MB. Games like Naruto Shippuden Ultimate Ninja 5 used these memory cards to store save data, which included game progress, character stats, and other relevant information.