Disk Utility is Apple's go-to macOS app for finding and repairing common disk errors, but if it's your Mac's internal disk that's the problem, then your Mac might not even start up into macOS.

We previously noted several limitations of Mac OS X 10.3's Disk Utility, which is supposed to replicate much of the functionality present in Mac OS X 10.2's Disk Copy. Among the noted limitations are ...

New version of Disk Utility can fix "overlapped extent allocation" errors As noted in Knowledge Base article #25770, the version of Disk Utility (10.5.1) included with Mac OS X 10.4.2 can fixed ...

I'm running Snow Leopard v10.6.8 on a Mac Book Pro 13" that I received for Christmas last year. Everything is fine with this computer but a couple weeks ago I went to open Disk utility because I ...

What it is: Daisy Disk is Mac utility software that, sadly works only on machines running OS 10.5 and later, because it’s the kind of thing that could make you want to investigate your hard disk daily ...