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How to Recover Data after erased by Disk Utility on Mac


Disk Utility is an app that comes with your Mac. Disk Utility and its First Aid feature can be used to check if a disk is damaged and repair it, create a disk image, partition a disk, and so much more... This article will provide you the effective method to Repair disk using Disk Utility on Mac without losing data.

What is Disk Utility?

Disk Utility is an application that's built into OS X that can perform lots of useful actions. Experienced users often need this handy tool. Today we're going to take a very brief look at what Disk Utility is, when you should use it and how to use it to fix some disk issues.
Open up your Applications folder and it's nowhere in sight. Or hit Command-Shift-U to quickly launch the Utilities folder from Finder.

Why use Disk Utility

You might want to use Disk Utility it if you experience the following:
Your computer won't start up.
An external device won't work.
Your apps are quitting unexpectedly.
You have a corrupted file.
You need to mount, unmount, or eject a disk.
You need to change the file system - for example to enable or disable journaling.
You think that there is a problem with your startup disk. 
You need to repair a disk that is damaged.
To erase, format or partition a disk.
Disk Utility used to be used to verify and repair permissions but since El Capitan, this is unnecessary.

The Features of Disk Utility

1.      Disk Utility is use to erase, format or manage internal disks and external storage devices.
2.      Disk Utility can also be used to add and manage volumes, or if you want to organize your date into partitions.
3.      Disk Utility can be useful if you are working with RAID sets. Combining multiple disks into a RAID set that acts as a single disk can increase performance, reliability and storage space.
4.      You can use Disk Utility to create a disk image of files that you want to move to a different computer,
5.      Disk Utility is used to diagnose and fix problems with a disk or damaged volumes.

Note: Before you use Disk Utility on mac, you'd better backup all important data, then perform the Disk Utility erased files recovery on Mac. If you mistakenly deleted important files using Disk Utility tool, we still recommend that you install the recovery software and recover important data back. Before the data is overwritten, you'd better install the recovery software on an external hard drive or a Partition that can be used normally, and perform the data recovery on Mac quickly.

How to use Disk Utility on a Mac

Want to know how to use Disk Utility on a Mac to repair disk, you should refer to:

How to recover data from mac disk?

When your important data is lost by used Disk Utility on mac, you can recover it with the help of Bitwar Data Recovery, It is a hard drive recovery tool for mac to retrieve the lost contents. Since it is compatible with any devices such as Hard Drive, Removable Disks, Flash Drives, Memory Cards, digital camera, etc. From these devices you can recover audios, videos, pictures, archives, compress files, and documents.

How to recover lost files with Bitwar Data Recovery for Mac

Download and install Bitwar Data Recovery on your Mac OS X by clicking the icon below, and then launch it. The software is compatible with OS X 10.11 and later.
Tips: For latest macOS 10.13 (High Sierra) system requirements, Mac users are not allowed an access to system disk from apps. If you want to recover data from the system disk, please disable the system feature "System Integrity Protection (SIP)" , see the guide on How to Disable System Integrity Protection (SIP) in macOS High Sierra (macOS 10.13)

 Bitwar Data Recovery for Mac download Bitwar Data Recovery for Windows download
Step 1: Launch the program and select the partition/devices where your data lost and then click "Next". If you want to recover data from an external drive, please connected it to your mac and select it on this step.
Step 2: Select the scan mode that based on the exact data loss reasons. Then click "next". There are three scan mode for you choose:
● Quick Scan mode can recover deleted files on a partition or device, such as files deleted by command + deleted, emptied from the trash or deleted by other software, etc. If files have not been overwritten by other data, it can be retrieved completely in condition of the files or directory structures.
● Formatted recovery: Recover formatted files after performed a quick format on a partition or hard drive in condition of the capacity of partition or drive haven't been changed before or after formatting.
● Deep scan: If previous scan couldn't worked to find lost files, try deep scan this time. Deep scan will search every sector of hard drive to find all existing files, but the scanning process will spend more time than quick scan and will not have the original file name in the scanning results.
Step 3: Choose the file types you want and click "Next" to start a scan.
Step 4: After scanning, by file name and Type, you can quickly filter the data you want and preview them. Then select the ones you want and press the recover button to have them saved on the Mac.
Tips: Please DO NOT save the data into the Partition or device where you deleted it from.

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Keywords:mac disk utility