Mountee documentation.
Installation, usage, troubleshooting, security, architecture, and the full list of known limitations. Everything here is written for the current 0.2.0 release.
Install Mountee
Download and install Mountee on macOS 26 or later, enable the file system extension, and mount your first NTFS volume.
Using Mountee
Mount, unmount, eject, and reveal NTFS volumes with the Mountee menu bar app, plus the supported command-line options.
Troubleshooting
Fix the most common Mountee and NTFS mounting problems on macOS, from a disabled extension to dirty volumes.
Security model
How Mountee avoids kernel extensions, keeps macOS at Full Security, and limits the blast radius of NTFS writes.
Known limitations
The honest, current limits of Mountee 0.2.0, including POSIX permissions, links, extended attributes, and fsync testing.
Architecture
How Mountee combines Apple's FSKit framework, a bundled ntfs-3g engine, and a narrow bridge to provide NTFS read/write in user space.