Does CCC support encrypted APFS volumes?.Can I use CCC to clone an APFS startup disk to another Mac?.If the OS upgrade converted my startup disk to APFS, what do I need to do to my backup disk? Do I have to erase it as APFS?.If I first upgrade to High Sierra on an HDD, and then clone to an SSD, will the SSD be converted to APFS?.When I upgrade my Mac to High Sierra (or later), will my startup disk be converted to APFS?.Why is Apple introducing a new filesystem?.You might even be wondering, 'What's a filesystem?', so we'll start with that, and gradually move into more technical details. Apple introduced a new filesystem in macOS High Sierra, so naturally you may be wondering how Carbon Copy Cloner deals with this and how this new change might affect your backups.