Checkpoint64 has a preset for PCSX2 (PlayStation 2): it already knows where the save folder is, backs it up automatically and keeps every version. Everything this site has on PCSX2 (PlayStation 2):
PCSX2 (PlayStation 2)
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Save file location
Windows:
%USERPROFILE%\Documents\PCSX2
macOS:~/Library/Application Support/PCSX2
Linux:~/.config/PCSX2 -
Backup guide
Emulator save states are easy to overwrite and rarely backed up. Checkpoint64 gives them a full version history and cross-machine sync — RetroArch, Dolphin, PCSX2, DuckStation, PPSSPP, RPCS3, and Cemu all have presets. Free download.