What is FileVault 2, and how does it encrypt data? FileVault 2 is a whole-disk encryption program that encrypts data on a Mac to prevent unauthorized access from anyone that does not have the decryption key or user’s account credentials.Note: This article is included in the free PDF download Apple FileVault 2: Tips for IT pros. We will update this article if there’s new information about FileVault 2.

This comprehensive guide about Apple’s FileVault 2 covers features, system requirements, and more. FileVault 2 has been available to each version of OS X/macOS since 10.7 the legacy FileVault is still available in earlier versions of OS X. Beginning with OS X 10.7 (Lion), Apple redesigned the encryption scheme and released it as FileVault 2–the program offers whole-disk encryption alongside newer, stronger encryption standards. Double-click at any time to open it you'll need to type in the password to complete the process.Apple’s FileVault encryption program was initially introduced with OS X 10.3 (Panther), and it allowed for the encryption of a user’s home folder only. dmg file just as you would any other file. Once the system finishes encrypting the folder, click 'Done'. Next, next to 'Image Format', selection 'Read/Write'. On the next screen, choose your level of encryption (128-bit or 256-bit AES Encryption) and your password.

Choose the folder you wish to add a password to, then click 'Choose'. On the top of the menu, select File > New Image > Image from Folder. To encrypt the data, go to the Finder > Applications > Utilities folder.

Before getting started, make sure to add all of the relevant files into the folder you wish to encrypt. This provides a great solution when sharing folders. If encrypting your entire computer seems unnecessary for your situation, you can encrypt individual folders on your computer.

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