Is this just for backup purposes? (.BUP file) If so , see page 75 of the manual Click the support tab at http://au.yamaha.com/en/products/mu...oards/portable_keyboards/psr-e423/?mode=model I don't think the E423 lets you transfer songs FROM the board back to a PC to edit etc (you can transfer smf files TO the board from a pc, but not the other way around from what I understand) The Y-man
