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Thread: Will macOS 10.13 files be compatible with OS X 10.11?

  1. #1


    Member Since
    Jun 04, 2018
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    Will macOS 10.13 files be compatible with OS X 10.11?
    I have a 2015 MacBook Pro that is currently running macOS 10.12 Sierra. I want to update it with macOS 10.13 High Sierra, the issue being that this MacBook has a full SSD, and I have a Mac Pro running 10.11 El Capitan that cannot upgrade further, and it also running a SSD. I know High Sierra has the new Apple File System, will these files that are stored this way be editable and openable by the Mac Pro running 10.11?

    Thanks!

  2. #2

    Slydude's Avatar
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    Pretty sure you won't have a problem there. I ran the beta for a bit with the APFS file system that High Sierra uses on SSDs. I didn't have trouble passing files to drives I was using that were still formatted as HFS+ -- which is used by El Capitan.

  3. #3


    Member Since
    Jun 04, 2018
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    Thank you. I'm just afraid that if i were to update, and it didnt work, I render my 2006 Mac Pro useless since my MBP is my main driver

  4. #4

    lclev's Avatar
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    There will be no issues. I have a macbook pro with an APFS formatted SSD and I share files between it and my MacPro which has HFS+ formatted drives. APFS and HFS+ are filing systems on the drives themselves and have nothing to do with how the actual files stored on them are formatted. Think of it as just a new addressing system for your storage device like post office boxes that hold your mail. The box is different but the mail inside is the same.

    Lisa
    Recommend using Onyx to clean your Mac.
    If you have been helped, please add to their reputation by clicking on the icon in the lower left hand corner of the post.

  5. #5

    IWT's Avatar
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    APFS and HFS+ are filing systems on the drives themselves and have nothing to do with how the actual files stored on them are formatted. Think of it as just a new addressing system for your storage device like post office boxes that hold your mail. The box is different but the mail inside is the same
    Hey Lisa, I'm going to copy/paste that as a fine example of explaining a complicated issue in a simple-to-understand form. Great stuff.

    Ian
    Ian

  6. #6

    Raz0rEdge's Avatar
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    Absolutely no issue at all. If this was a problem then people would never be able to share files across Windows, Linux and Mac since Windows uses NTFS, Linux uses EXT3/4 and Mac uses HFS/APFS.
    --
    Regards
    ...Ashwin


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