Iso image showing less space

I have some data of 6.6GB;when converted into an ISO image was into 4.7GB.
No problem with this but when I opened that ISO file checked the whole space it was 6.6GB but that ISO is sgowing 4.7GB.
Can anyone explain this,also can I burn it to a DVD?
3 answers Last reply
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  1. Settings in your DVD burning software. It's probably set to single layer DVD (4.7GB). Set it to dual layer, assuming you have dual layer disks and a dual layer drive.
  2. USAFRet said:
    Settings in your DVD burning software. It's probably set to single layer DVD (4.7GB). Set it to dual layer, assuming you have dual layer disks and a dual layer drive.


    But i don't have any problem opening it;what I asked is that can I burn it to a single layer DvD?
  3. Unless your data is highly compressed there's no way 6.6GB worth of data will fit on a 4.7GB disk.
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