Some specs: >> My burning s/w: NTI CD&DVD Maker 188.8.131.520 >> My burner: ATAPI DVD DD 2X16X4X16 w/firmware G7Z9 housed in a USB 2.0 connected enclosure I bought >> OS: XP SP3 w/all updates Facts and Issues I use Acronis True Image to ghost my hard drive. It includes an option to split my HD backup image file into multiple smaller files each of which is supposed to fit on DVD. Yet when I drag one of these files to NTI (so I can burn it) NTI says the file is too big for the DVD device. Using XP I see these file sizes when i look at the Acronis file supposedly good to burn on DVD >> With Windows Explorer ===> Size: 4,550,820KB >> But right click the file Properties says ===> Size: 4.33GB (4,660,039,168 byes) ===> Size on disk: 4.33GB (4,660,039,680) Questions: 1. I understand why Size vs. Size on disk are different number but why does Explorer and File Properties differ on size? 2. And is this file REALLY too big for DVD?? After Acronis splits it to fit on DVD?