It offers better performance and reliability when you’re using solid-state drives, but it’s not reverse-compatible. APFS: This is the current default file system for macOS, as of High Sierra.If the file system of the Mac hard drive is HFS+ or APFS, the drive will become unreadable in Windows.
(Who knew!?!) If you're not sure if you're in safe mode, select the Apple menu > About This Mac > System Report button, then select the 'Software' heading from the left column. In addition to normal HFS+to HFS+, Carbon Copy Cloner v5 can back up an APFS volume to an APFS backup drive, and there is every advantage in doing this because it also backs up the Recovery, Reboot and VM partitions all in the same run.
