It’s important to understand some of these terms, so you can be aware of how OS X’s Disk Utility works. Disk Utility Terminologyīefore we get into the nitty-gritty of using Disk Utility, let’s look at some terminology. In this article, you will learn how to get information about your drives, format a new disk, partition a drive, and turn on encryption. The following is an overview of how to manage disks and volumes with OS X’s Disk Utility. Found in the Utilities folder, inside your Applications folder, Disk Utility is a powerful tool that offers a full range of features to manage disks and volumes, encrypt and decrypt them, work with disk images, and much more. If you need to format, partition, or otherwise work with hard drives on a Mac, Apple’s Disk Utility is the tool you use. Apple + How To How to Manage Disks and Volumes with OS X’s Disk Utility