Use a tool like myMC to open your Mcd001.ps2 file found in the PCSX2 memcards folder.
If you are using raw cheat codes (PnACH files) alongside a save file, ensure the master code matches your specific game CRC code. To help you get your game running perfectly, let me know:
Yes. You can use hex editors or memory card tools to change the game ID code inside the save folder name, though it sometimes causes corruption. To help you get your game running perfectly, tell me: ps2 naruto shippuden ultimate ninja 5 save data
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Paste it directly into your PCSX2 memcards folder directory. Matching Save Regions: A Crucial Step Use a tool like myMC to open your Mcd001
Drag and drop the uncompressed save directory directly into that folder. Region Compatibility and Save ID Matching
Go to mass:/ (your USB drive), highlight the save file, and copy it. You can use hex editors or memory card
Are you playing on or an original PS2 console ? What region is your game copy? (PAL/Europe or NTSC-J/Asia)