Mac Users Can't Unzip

  • Joe

    Joe - 2013-06-17

    I'm using windows XP home and 7zip 9.20.

    quite often Mac users report they can't unzip my folder. I'm wondering why, and if there's anything I can tell them to enable them to open the files?

    Or is this just a common problem with mac users? Don't they have a 'utility' that opens zip?

    Last edit: Joe 2013-06-17
  • dos386

    dos386 - 2013-06-18
    1. Your post lacks relevant information.
    2. I have no clue about MAC's.

    To maximize the chance that other people can unZIP stuff you send them, use ZIP format, Deflate compression (not Deflate64), and standard (poor) "ZipCrypto" or no encryption. Also don't use problematic char's in file and subdirectory names or absurdly long names.

  • Joe

    Joe - 2013-06-18

    Darn just had another customer on a mac say they can't open it.

    Dos, what Info do I need to include?

    I opened the 7zip file manager, went to Tools >clicked the Options, and under the Systems tab I see nothing checked, but I do see the last box named Zip, do I check that?

    How about the Compression, where do I find that? How about the Crypto?

  • Joe

    Joe - 2013-06-20

    Can anyone tell me where to find and change those settings?

  • fernando

    fernando - 2013-06-20

    Open 7-Zip File Manager.
    Select some file.
    Press green (+) Add icon.
    See in "Add to Archive" dialog options:
    + Archive format
    + Compression method
    + Encryption method

  • Joe

    Joe - 2013-06-21

    OK Fernando, now I see where to change those settings, thank you very much!


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