DiskWarrior 5
Ships on a bootable flash drive to repair your startup disk. Flash drives start up much faster than DVDs and can be updated as needed.
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Repairs partition table damage. Sometimes the damage is to the map that describes all your drive's partitions which makes all your partitions unavailable. DiskWarrior 5 can repair standard Mac GUID partition tables when started from the DiskWarrior Recovery flash drive.
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Significantly faster. For many disks, directory rebuilding is twice as fast as the previous version.
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Recovers more data from drives with hardware malfunctions. Recover your important files from most failing drives, possibly saving you thousands of dollars in professional recovery costs.
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Drives containing Time Machine back ups can have enormous directories that were often too large for DiskWarrior 4. The 64-bit memory addressing of DiskWarrior 5 allows these drives to be repaired or recovered.
It’s compatible with Mac OS X 10.5.8 through 10.10.