If you are building a library, here is the recommended workflow to ensure you have the "best" of both worlds:

PBP uniquely allows stacking discs into one file.

Finding high-quality (PlayStation Business Project) files is essential for anyone using a PSP , PS Vita , or handheld emulators like the Anbernic or Miyoo Mini series. PBPs are the gold standard because they compress multi-disc games into a single file and save significant storage space.