System Requirements

DiskWarrior 5 supports any directly connected Mac OS Standard (HFS) or Mac OS Extended (HFS Plus) disk including Fusion Drives, RAID volumes, journaled disks, case-sensitive disks, FileVaults and Time Machine backups. DiskWarrior 5 supports both PowerPC and Intel Macs started in Mac OS X Leopard (10.5.8) through macOS Catalina (10.15). Apple File System (APFS) disks are not currently supported. Click here to learn how to identify an APFS disk.

Supported OS:

  • macOS Catalina (10.15) when rebuilding external disks*

  • macOS Mojave (10.14) when rebuilding external disks*

  • macOS High Sierra (10.13) when not rebuilding internal SSDs

  • macOS Sierra (10.12)

  • OS X El Capitan (10.11)

  • OS X Yosemite (10.10)

  • OS X Mavericks (10.9)

  • OS X Mountain Lion (10.8)

  • OS X Lion (10.7)

  • Mac OS X Snow Leopard (10.6)

  • Mac OS X Leopard (10.5)

Supported Configurations Include:

Supported Macs include:

  • MacBook

  • MacBook Air

  • MacBook Pro

  • iMac/iMac Pro

  • Mac mini

  • Mac Pro

Supported Ports Include:

  • SATA / eSATA

  • USB / USB 3.1 / USB-C

  • FireWire 400 / FireWire 800

  • Thunderbolt / Thunderbolt 2 / Thunderbolt 3

Supported Files Systems Include:

  • Mac OS Standard (HFS),

  • Mac OS Extended (HFS Plus) with variations of Journaled, Case-Sensitive and Encrypted.

Supported Startup (Boot) Methods:


* Support for all of the above is dependent on the hardware features of individual Mac models and the version of OS installed.

*When formatted with a supported file system.