In this article, we offer a step by step guide into how to turn on FileVault on MacOS. FileVault is MacOS’ built in encryption tool, which encrypts all of your computers data and adds an extra layer of security, as it prevents any individuals from decrypting or gaining access to your data without your login details.

It also serves as a backup method to gain access to your computes information, in the event you may be locked out due to incorrect password attempts. You can use your FileVault key to gain access to your computers information.

How to setup FileVault:

  • On your mac, open System Settings and go to Privacy and Security. Once there, scroll down until you see FileVault.

  • Open the FileVault tab, and press ‘Turn On’.
  • When prompted, input the computers administrator account details to authenticate the change being made to the device.


  • This will then show a tab which gives you two options, select the second option ‘Create a recovery key and do not use my iCloud account’

  • Once you have selected this option and pressed continue, a 24 digit recovery code will appear. This is your FileVault key and it is imperative that you make a note of this in a safe space. In the event of being locked out of your computer due to incorrect password attempts, this is your failsafe that will allow access to the devices information.

  • Select continue and you will be again asked to input your devices administrator account information to proceed with turning on FileVault and encrypting the devices content.

  • After a brief period of time, your device will finish encryption and you will be notified that FileVault is now on and encryption has finished.

Your devices content is now encrypted and FileVault is on. You are now protected from individuals accessing or decrypting your data without your login credentials.

Ensure you have your FileVault code stored securely, in the case of any future issues accessing your device.