MacStadium Knowledge Base

Frequently Asked Questions

Dedicated Macs

What is APFS? And what can I do with it?

APFS stands for “Apple File System,” the proprietary file system for macOS High Sierra (10.13) and later, developed and deployed by Apple. It replaces HFS+ (also known as Mac OS Extended). APFS is optimized for flash and solid-state drive storage with a primary focus on encryption.  Our friends at TidBITS put together a great article that gives some more background; read it here: