The exe is a self-extracting zip file. There's no way a Mac can open one? Not even with something like the Connectix Virtual PC for the Mac? I never used a Mac but I thought that the recent ones came with emulation software. Since OS 8? Later? I know they had emulation software when I was looking to buy one about two years ago. Or was that part of an OEM software package? Anyway, I've changed it to PC only for now until I find out differently