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  1. Nero has six burn options to chose from and I'm not sure which one you need to use for burning a DVD backup or what special circumstances you should use the other options. Obviously DVD copy is out because that is probably backing up directly from a DVD to a Blank DVD.

    dvd-ROM (iso)
    dvd COPY
    dvd-VIDEO
    dvd-ROM (BOOT)
    dvd-ROM (udf)
    dvd-ROM (udf/iso)
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  2. Banned
    Join Date
    Sep 2004
    Location
    Inner Circle of Thought
    Search Comp PM
    Dvd-video - It is self-explanatory
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  3. Use DVD Video.
    ISO is a data structured disk using the old ISO format.
    Copy is just what it says but won't work for copying DVD movies directly due to encryptions.
    Boot makes a DVD that can boot at the system startup without using a diskette.
    UDF is the standard data format for DVD Data disks.
    UDF/ISO contains the old ISO file structure and the newer UDF file structure for optimal compatibility. DVD-Video is actually a form of this template with specific options already preset.
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  4. Member
    Join Date
    Nov 2002
    Location
    Toronto
    Search Comp PM
    I personally see no reason to use UDF+ISO besides UDF-only (for data DVDs, that is). Any DVD reader hardware and software should be able to recognize UDF, so there's no need for the ISO compatibility layer. Joliet (optionally present on UDF+ISO) is even more useless. And ISO only (with or without Joliet) is by far the worst.
    Cosmin
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