Your documents. Your photos. Your mail. Your apps. To your Mac, everything you care about is data. And a file system is what organizes all that data into files and folders you can access with a click. Ourcurrent file system was designed in the early days of Mac, and it has performed beautifully ever since. But todays flash‑based Mac systems open up new possibilities for innovation, so its time to lay a new foundation. With macOSHighSierra, were introducing the AppleFileSystem to every Mac with all‑flash internal storage, with an advanced architecture that brings a new level of security andresponsiveness.
Advanced. A new 64‑bit architecture is designed for todaysflash technology and readyfor tomorrows new storagecapabilities.
Responsive. Designed to make common tasks like duplicating a file and finding the size of a folders contents happeninstantly.
Safe and secure. Enjoy even morepeace of mind with built‑inencryption, crash‑safe protections, and simplified data backup on thego.