Apple Filing Protocol

Apple Filing Protocol
Communication protocol
PurposeFile services
Developer(s)Apple, Inc.
Port(s)548

The Apple Filing Protocol (AFP), formerly AppleTalk Filing Protocol, is a proprietary network protocol, and part of the Apple File Service (AFS), that offers file services for macOS, classic Mac OS, and Apple II computers. In OS X 10.8 Mountain Lion and earlier, AFP was the primary protocol for file services. Starting with OS X 10.9 Mavericks, Server Message Block (SMB) was made the primary file sharing protocol, with the ability to run an AFP server removed later in macOS 11 Big Sur[1] and the client being marked for deprecation in the 15.5 update of macOS Sequoia.[2] AFP supports Unicode file names, POSIX and access-control list permissions, resource forks, named extended attributes, and advanced file locking. macOS Tahoe will be the last version of macOS to support AFP, with support being dropped in macOS 27.

  1. ^ Fleishman, Glenn (2020-12-18). "AFP is no longer supported in macOS Big Sur. Here's the fix". Macworld. Retrieved 2021-01-09.
  2. ^ "What's new for enterprise in macOS Sequoia". Apple Support. Retrieved 2025-05-16.

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