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Will I be able to convert my Traditional HFS + ...

Will I be able to convert my Traditional HFS + External hard drive to APFS without losing the data on it?

All we know is what you read:

Fusion Drives and hard disk drives (HDDs) aren't converted."

No. This must be done on an empty device or when reformatting a device.

最後更新：2017-09-20 05:35:11