C:\Users\<YourUsername>\Documents\PCSX2\memcards
If you have a save file you'd like to share or need help with, feel free to provide more details, and I'll try to assist you.
C:\Users\<YourUsername>\Documents\PCSX2\saves
Before we dive into the save file, let's quickly cover where PCSX2 stores its save files. The save file location is usually: