3.3 Compatibility with Time Machine prior to macOS 11Īpple File System was announced at Apple's developers conference (WWDC) in June 2016 as a replacement for HFS+, which had been in use since 1998.3.1 Limited integrity checks for user data.APFS is optimized for solid-state drive storage and supports encryption, snapshots, and increased data integrity, among other capabilities. It aims to fix core problems of HFS+ (also called Mac OS Extended), APFS's predecessor on these operating systems. for macOS Sierra (10.12.4) and later, iOS 10.3 and later, tvOS 10.2 and later, watchOS 3.2 and later, and all versions of iPadOS. Ma(iOS), Septem(macOS), with iOS 10.3, macOS 10.13ħC3457EF-0000-11AA-AA11-00306543ECAC ( GPT)Ĩ EiB (9,223,372,036,854,775,808 bytes) Īccess, attributes modified, contents modified, createdĪpple File System ( APFS) is a proprietary file system developed and deployed by Apple Inc. Not to be confused with Andrew File System (AFS), the distributed file system.