If you downloaded PCSX2 as a ZIP file and extracted it to a folder (often used for the 1.7.0 Nightly builds), the saves are kept inside that same folder.
Below is a breakdown of file locations for Windows, macOS, and Linux, followed by instructions on how to use the emulator's interface to find them automatically. pcsx2 save files location
If you are moving saves between the Stable (1.6) and Nightly (1.7) versions, you can usually just copy the .ps2 files from the old memcards folder to the new one. PCSX2 will detect them. If you downloaded PCSX2 as a ZIP file
PCSX2 uses a variety of file formats to store game saves, including: follow these steps:
If you're having trouble finding your PCSX2 save files, follow these steps: