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 ...

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.

I spent more than 2 hours googling and trying to solve the following problem without success. Disk utility shows my 1TB SSD as circular diagram with what seems to be 2 partitions: 930GB formatted as ...

I use both. I'll use Disk Utility when I want to clone an entire drive from scratch. If you're regularly going to clone a drive as part of a backup program, then SuperDuper is faster because it ...