FileVault is a security feature on a Mac ... Those who wish to use this specific method but don’t use iCloud can choose the Set Up My iCloud Account to Reset My Password button. Recovery key: ...

When decryption is complete, you can return to the FileVault tab and click Turn On FileVault. At the Recovery Key prompt, choose the “Create a recovery key” option and write the key down.

When you log into a FileVault-enabled account, the Recovery Disk OS takes your account password and uses that to unlock the encryption key that protects the startup volume. It’s loaded into ...

In this case, as with scenario 1, you will first need to provide the FileVault password before any data on the disk can be accessed by password reset routines. Scenario 3.