Complete backup Equipped with WD Backup software for Windows and Apple Time Machine compatibility for Mac, the My Book desktop hard drive can back up your photos, videos, music and documents. The My Book desktop hard drive also works great with Acronis True Image WD Edition software to schedule full system backups. My Book desktop storage is also compatible with Apple Time Machine. Password protection and hardware encryption With built-in 256-bit AES Hardware Encryption with WD Security software, just set your own personalized password to help keep your content private and safe. Reimagined design Surprisingly compact, the design of My Book desktop storage exudes a confidence reflective of its reliability. With up to 8TB of storage capacity, you can trust My Book to be the home of your digital life. Easy to use Ready to use out of the box, start transferring files, saving memories and backing up right away. WD Backup and WD Security software are included to help protect your data. My Book desktop storage is also compatible with Apple Time Machine.