I've tried retroactively mounting it using

mount -t hfplus 

but I get a 'wrong fs type' error.
Is it yet possible to mount APFS without commercial software?


2 Answers 2


No, and it probably won't be possible for a long while. From Apple's APFS FAQ:

Is APFS open source?

An open source implementation is not available at this time. Apple plans to document and publish the APFS volume format specification.

So after Apple releases the APFS specs (at some unspecified date), someone will have to do the implementation work, and it would probably take many years before it attains a decent level of functionality (especially if you want write access).

  • There you go: Apple File System Reference
    – MCCCS
    Sep 22, 2018 at 7:39
  • 2
    @MCCCS No. This is just an API reference, not the filesystem specifications. It is for people who write software to interact with the filesystem through the OS X drivers, not to write new drivers.
    – fkraiem
    Sep 22, 2018 at 7:45

If you are willing to compile from source, you can try apfs-fuse from Github.

The author warns that it is in an early stage and read-only, but therefore shouldn't damage the disk you try to mount. To get just one or two files read from an Apple volume, it might be OK.

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