: Unlike standard repair tools that patch errors, DiskWarrior uses a patent-pending method to build a completely new, error-free, and optimized directory based on salvageable data.
: DiskWarrior can be run from a separate startup disk (like the official USB flash drive) to repair the main internal drive when the OS is unbootable. Current Compatibility and Limitations
: DiskWarrior cannot rebuild the startup disk of newer Macs (macOS 10.13 High Sierra through macOS Sonoma 14.0 and later) that use SSDs pre-loaded with the Apple File System (APFS).