• I've been given an external HDD with some files that appears to be in a Mac format (I can't see it on a windows PC). I've plugged it into a colleague's mac and it works but I can't copy the files onto my Windows (NTFS I assume) external HDD.

    What format is a Mac formatted HDD, ext4 or something else? What formats can a Mac write to? Cheers

  • Mac can generally read from NTFS but not write to, as you’ve found. There are ways of forcing it, but I’d just copy the files to the Mac and use a FAT32 or ExFAT formatted usb drive to move the files to windows.

    The Mac drive will be HFS or APFS and may or may not be using a different partition map.

  • Cheers, I suspected it would be something like this. Will format as FAT32 and have another stab.

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