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Backing up zip files

Discussion in 'All Other Software' started by orianna, Jun 12, 2006.

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  1. orianna

    orianna Thread Starter

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    Is there a way to backup a zipped file, or many zipped files to CD without having to extract/open them to save space? If so, can they be opened once accessed, and also, can more be added to the CD?
     
  2. cwwozniak

    cwwozniak Trusted Advisor Spam Fighter

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    You should be able to burn one or more zip files to a Data CD just as you would any other type of data file.

    If the Zip file is bigger than what will fit on one CD, you may need to extract the files first and then zip smaller groups into multiple Zip files on multiple CDs. I am not sure if any zipping program will span an existing Zip file over multiple CDs.

    There should not be any problems opening Zipped files stored on the CD. You will need suitable un-zipping software on the computer used to access the CD. You may also need to first copy the zipped file from CD to the hard drive.

    You can not add more files to the existing Zip file that is on the CD. If the burning software and CD support multi-session burning. You can add another new Zip (or any type) of file to the CD if there is room. There may be a slight possibility that when adding to a multi-session CD that it may become corrupted and all files will disappear. The missing files may or may not be recoverable.
     
  3. orianna

    orianna Thread Starter

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    Sounds like miltilevel is not worth the risk. By the way, since CD-R's are so much cheaper, and I would have to need to erase the data/rewrite, and would only be using them on my system, can I use them, or are there any drawbacks compared to CD-RW?
     
  4. Rockn

    Rockn

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    Why not just get a 1GB or larger USB drive?
     
  5. cwwozniak

    cwwozniak Trusted Advisor Spam Fighter

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    If you are going to be filling up a good portion of the CD-R in a single burn, then I would agree that a single session CD would be the way to go.

    Multi-session CD-R may be OK if you are only burning small amounts of data at a time and still keep all of the original data on the hard drive. If something goes wrong during a later multi-session drive, you would still be able to use all of the data on the hard drive to make a new CD. I maintain a church web site that includes articles from the monthly news letter. I get the 15-20 MB newsletter file on a multi-session CD-R that gets updated every month. The editor and I have full copies of the previous contents on each of our drives and there would be no big loss if the CD got corrupted during an update.

    I purchased a 20 pack of blank 16X CD-RW disks a few years ago when blank CD-Rs were still kind of expensive. I think I still have about 15 of them left. Based on current CD-R prices and 48x burning speeds, I wouldn't think of using those CD-RWs unless I somehow managed to run out of blank CD-Rs late at night. As far as I know, there are no drawbacks to CD-Rs as compared to CD-RW except that you can not erase and reuse them (a limited number of times).
     
  6. wilson44512

    wilson44512

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    when i want to burn large files i burn them on a dvd+r or -r disk they can hold 4.7GB of data
     
  7. JohnWill

    JohnWill Retired Moderator

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    I recommend against multi-session for backing up data. I'd just create a single sub-folder and burn 700mb of ZIP files to it.
     
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