Posted by Katrina to on June 25th, 2018 Disk image is a virtual disk like a CD or DVD or even a hard drive to back up, archive, and protect any file or folder on your Mac. After creating a disk image on Mac, double click the image and it will be mounted as a new volume on your desktop and in Finder. Usually, disk image is used to download and install an application from internet to your Mac. Recently, many people are asking in forum about how to create a disk image on High Sierra.

In this video we will show how to repair disk permissions on Mac OS X 10.10 Yosemite (and earlier), 10.11 El Capitan and 10.12 Sierra. You will learn when, how and why to do this in each OS.

In this post, we will offer you two effective solutions. How to create a disk image on High Sierra? Although macOS High Sierra has brought the new file system - APFS, the way of creating a disk image is similar. Let's see how to do it. Solution 1: create a disk image on High Sierra using Disk Utility Step 1: Firstly, you should open Disk Utility.

Go to Finder > Applications > Utilities > Disk Utility. (Or press Command+Space to open Spotlight search, type in Disk Utility and press Return to open it.) Step 2: In Disk Utility window, choose File > New Image > Blank Image.

Step 3: To create a new disk image, you need to configure the following options: • >Save as: Enter a file name for the disk image. • >Tags: Add a tag if necessary. • >Where: Choose a place to store the image. • >Name: Enter a name for the disk image in the Name field.

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• >Size: Enter a size for the disk image. • >Format: Choose a format for the disk image. • If the disk is used for Mac, choose APFS, APFS (Case – sensitive), Mac OS Extended (Journaled), Mac OS Extended (Case-sensitive, Journaled).

If you can't see APFS and APFS (Case – sensitive) in the menu, please click the below Partition pop-up menu and choose Single partition – GUID Partition Map firstly. • If the disk is used with Windows and Mac and needs 32 GB or less, choose MS-DOS (FAT). • If the disk will be used with Windows or Mac computers and needs more than 32 GB, choose ExFAT.

• >Encryption: If you want to encrypt the disk image, click the Encryption pop-up menu, then choose an encryption option and set a password. • >Partition: Choose a partition map.

Please note that APFS can only accept GUID Partition Map. • >Image Format: Choose image format from pop-up menu.

• Sparse bundle and Sparse are similar. Both of them create an expandable file that shrinks and grows as needed.

But Sparse Bundle has different way to store directory data. • Read/write: If you select Read/write disk image, you are allow to read from and write to the disk image after it's created. • DVD/CD master: Changes the size of the image to 177 MB (CD 8 cm). Uses the.cdr file extension. Step 4: Click Save and tick Done after the operation successes. After the disk image has been created, it will automatically be mounted for the first time. You will see its icon on the Desktop and in the Finder sidebar.

Solution 2: Create a disk image on High Sierra with third-party software If you think the above is difficult, third-party tools like Carbon Copy Cloner which make the entire process easier. Data recovery from a disk image However, there are times when you lose important data on a disk image. In this situation, iBoysoft Mac Data Recovery is your best choice.

Is there a program for mac that scores films. Works perfectly in different scenarios, including deleted, formatted, unmountable, unreadable, inaccessible, etc. No matter what file system on your disk image, such as APFS, encrypted APFS, HFS, HFS+, exFAT, FAT32, this powerful recovery tool can help you get lost data back.

Wednesday, September 28th, 2016 Author: One of the old Mac OS X utilities, Disk Utility, has received a makeover in macOS Sierra. The updated app now presents a streamlined appearance while retaining all of its former functionality, and it’s still useful for verifying or repairing disks. This can be useful if you’re running into odd issues with a Mac, so we’ll take a look at the process of verifying and repairing disks with macOS Sierra’s Disk Utility. Some of the issues you might encounter that indicate a disk that might need repair: • Multiple apps quit unexpectedly • A file is corrupted • An external device doesn’t work properly • Your Mac refuses to start up Verifying Disks Verifying a disk subjects it to a series of checks, all of which are done through a process called “Live Verification”. This means that Disk Utility can check the status of a disk, its catalog file, multi-linked files, catalog hierarchy and more the Mac needing to be started up with another disk drive. It does this by “freezing” the volume, so while you’re running the verification tests you may find that your Mac becomes slow or unresponsive. To verify a disk, simply launch Disk Utility (found in Applications > Utilities), click on the drive volume you wish to check, then click on the First Aid button in the Disk Utility toolbar.