Folder structure matters for tools like or PPSSPP’s auto-scan :
Or use : Open CSO → Save as ISO.
By converting your collection into an organized CSO archive, you preserve the longevity of your digital library while maximizing your hardware's storage capacity. cso psp archive
Select a . (Tip: Use level 9 for emulators; stick to level 5 or 6 for real PSP hardware). Click Convert and wait for the process to complete. Best Practices for Organizing Your Archive Folder structure matters for tools like or PPSSPP’s