How to access Disk Utility on macOS

Disk Utility is the name of a utility, created by Apple, for performing disk-related tasks on macOS. These tasks include:

  • The creation, conversion, compression and encryption of disk images from a wide range of formats read by Disk Utility to .dmg or .cdr, which is identical to the .iso format
  • Mounting, unmounting, and ejecting disks (including both hard disks, removable media and disk images)
  • Enabling or disabling journaling
  • Verifying a disk's integrity, and repairing it if the disk is damaged
  • Verifying and repairing permissions
  • Disk erasing, formatting and partitioning
  • Secure deletion of free space or disk using a 35-pass Gutmann algorithm
  • Adding or changing partition table between Apple Partition Table and GUID Partition Table
  • Creating, destroying, and repairing RAID sets
  • Restoring volumes from scanned for ASR images
  • Burning disk images to CD or DVD in HFS+ format
  • Erasing CD-RWs and DVD-RWs
  • Checking the S.M.A.R.T status of a hard disk

Please follow the directions below to access Disk Utility on macOS


  1. Click on the Spotlight icon from the menu bar as shown below

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  2. Type Disk Utility in the search field as shown below

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  3. Double-click on Disk Utility - Utilities as shown below

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