Originally Posted By: joemikeb[list
If you plan to encrypt (Filevault) an APFS drive Format the drive APFS (encrypted) INITIALLY
  • It takes only seconds to format a drive APFS (encrypted) and there is no noticeable delay in installing MacOS or restoring data from a backup.
  • encrypting an APFS volume that has data on it can take a day or more to complete. NOTE: the computer can be used even while as the boot drive is being encrypted.

To clarify, that sounds like it pertains to a clean install of macOS 10.13, but not to upgrading an existing installation.

Last edited by artie505; 09/07/17 05:21 AM. Reason: Clarify
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