Our computers contain some of our most sensitive information, whether we’re talking about Apple’s great laptops or excellent desktops. To make sure your data stays safe, you can lock up certain folders or storage devices using Disk Utility. It’s a built-in tool that helps you manage internal and external drives, as well as folders. There are other ways you can encrypt information on your Mac, like with the FileVault encryption feature. But if you’re comfortable with Disk Utility and want to secure specific folders or drives, you can do so following the steps below.