Right. It sounds like you can safely delete the BIAB folder files. Why not create a test file and delete that one file, and see if your Presonus project still works. It sounds like it will.


BIAB 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Presonus Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.