What if you want to hide the private key of a keychain file from your users? What can you do then, and how do you do it? Read on... In this part 1 of the series, You will learn how to use Happens File Vault to encrypt a file. Happens — File Vault — YouTube When you want to securely share your data from Mac to Windows, you need to keep it safe from prying eyes. To help you manage it, Happens has been designed with an advanced encryption engine. It encrypts your data using 128-bit AES, which is known to be very strong and secure. With no software needed, you can access and share protected data directly from your Windows computer.