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.

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 ...

OS X’s Disk Utility—which enables you to format, partition, repair, and perform other kinds of maintenance on disks (including SSDs, flash drives, and disk images)—is good for what it does ...

Is your Mac running slow? If you’ve tried everything else to get performance back to what it was, it may be time to Repair your disk. So, how and why should you do it?

However, as part of the Mac OS X 10.4.6 Update, Apple modified the Repair Disk Permissions function so that it no longer presents these messages in the Disk Utility window.

Is FileVault Encryption Different From the Disk Utility Encryption? Disk Utility is another built-in macOS utility that helps you encrypt and keep your data safe, among other things, on your Mac.