Man­age stor­age in Disk Util­ity

An es­sen­tial tool for check­ing health and for­mat­ting and en­crypt­ing disks

Mac Format - - IMPROVE -

An es­sen­tial tool for check­ing drive health, and for­mat­ting and en­crypt­ing disks

When you buy a new hard drive, when you want to en­crypt some files to carry around on por­ta­ble stor­age, or when files are cor­rupt or apps ex­hibit un­ex­pected be­hav­iour such as crash­ing, the first tool you should turn to is Disk Util­ity.

This isn’t the sort of app you’ll use ev­ery day, which is why it’s stored in the Util­i­ties folder (found within your Mac’s Ap­pli­ca­tions folder) – though that’s only one of the places you can run it from. In the event of a se­ri­ous prob­lem that stops you get­ting into OS X in the first place, you can start up in the Re­cov­ery sys­tem to run Disk Util­ity’s First Aid fea­ture, which di­ag­noses and tries to re­pair dam­aged drive struc­tures.

Disk Util­ity isn’t just about fix­ing prob­lems. If you buy an ex­ter­nal hard drive that isn’t pre­loaded with an app that preps it for use with a Mac, you’ll need to use Ap­ple’s tool to re­for­mat the drive.

If that drive hap­pens to be a por­ta­ble hard drive or a flash drive, you’ll prob­a­bly want to en­crypt it so that if it’s lost or stolen, your files aren’t im­me­di­ately read­able. In fact, Disk Util­ity can pro­tect your disk with 128-bit or 256-bit AES en­cryp­tion, the lat­ter of which is strong enough that it’s used by gov­ern­ments and pub­lic bod­ies. Alan Stone­bridge

Disk Util­ity can en­crypt a disk and pro­tect ac­cess to it with a pass­word in the process

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