Disk Images can be created in Disk Utility, by clicking the "New Image" button in the Disk Utility toolbar. When this is done, you can set the image size and optional encryption options. When done ...

Using the convert image feature of Disk Utility you can change an image's format, and its encryption, if any. The formats supported are any of the four initial formats used when the image was ...

Depending on your Mac, Disk Utility can take several minutes to create this disk image and save it for you. It's possible to make it slightly slower, too: choose the dropdown marked Encryption and ...

My hard drive only has 120GB available, so the 5TB image is resized by Disk Utility. This is only done on read/write images (click for larger view). If you want to create a disk image that is ...

Select the ISO file from the left pane in Disk Utility and click the "Burn" icon at the top of the screen. When the process is complete, you will have a disk image from which your Mac can boot.

Although the utility is used to manage a crucial hardware component, you won't find it in the system preferences. Instead, you'll find Disk Utility tucked away in the applications folder on your Mac.

IDG Disk images are automatically excluded from Time Machine backups. In order to back them up, Time Machine has to copy the disk image file. If you make any change to the contents of a disk image ...

Then launch Disk Utility. If you're using a USB flash drive or other external disk, you'll need to make sure it's formatted as "Mac OS Extended (Journaled)." Under the partition options, also make ...

Being a Windows to Mac switcher, the whole concept of a disk image was confusing to me at first - but it's basically a file that acts like a separate disk that you can mount to access and unmount ...