This is what I found on the UK site What’s more, Apple Mac users can now upload material to the MZ-RH1 just as easily thanks to newly-developed Hi-MD Music Transfer for Mac ver.1.0 software supplied with each unit. This allows you to upload recorded content to a Mac PC in Linear PCM/Hi-SP/Hi-LP mode as WAV files. Similarly, users can now download Linear PCM/MP3 files from a Mac PC by simply downloading an application from the Sony support website from summer 2006.