ck4707 - Thanks for the reply.
I thought that when you DEFRAG a drive if a file has been deleted in the FAT then its contents/bits will be overwritten as the other files are moved around ?
Does DEFRAG look in the FAT to check if a file is still 'current' - I would have assumed if its trying to optimise the disk it would not bother with any files not in the FAT ????
Uhhhmmm ?