Obtain and decrypt a personal recovery key with Profile Manager on Mac
If you have a Mac with FileVault enabled and enrolled in Profile Manager, you can obtain and decrypt the personal recovery key.
In the Profile Manager sidebar, click Devices.
Select a Mac, then click the About tab.
Click the Security triangle, and download the encrypted personal recovery key.
Open the Terminal app, which is located in /Applications/Utilities/.
Enter the following, followed by a space, then drag the encrypted personal recovery key into the Terminal app.
security cms -D -i ~/Downloads/personal_recovery_key.dat
Note: The path to your file may be different.
Press the Return key.