How to Recover Lost Partition in Mac

Like any other Operating System, the Macintosh Operating system also includes  logical drives or local partitions such as:

Common Reasons Causing Lost or Missing Partitions

There is always the situation happening that the file in Mac is lost, mistakenly deleted, or just missing. So do the partition. The partition in Mac also may be lost or deleted, which brings you a disaster of losing all files saved on it. There are some common reasons causing the partition lost:

Recover Lost Partition with Wondershare Data Recovery for Mac

Actually, to get back the lost partition is quite easy, just like 1-2-3, if you have chosen the right mac data recovery tool. Wondershare data recovery for mac is such a kind of simple program for everyone to retrieve lost partitions with only 3 steps. Let's take a try.

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Your Safe & Reliable Mac Partition Recovery Software

  • Recover lost or deleted files, photos, audio, music, emails from any storage device effectively, safely and completely.
  • Supports data recovery from recycle bin, hard drive, memory card, flash drive, digital camera and camcorders.
  • Supports to recover data for sudden deletion, formatting, hard drive corruption, virus attack, system crash under different situations.
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Install and launch it on your Mac. Follow the next simple steps to perform lost partition recovery.

Step 1: Select the type of files you want to recover. To recover deleted partition on Mac, you can select the specific file type or select the option "All File Types" to start.

recover deleted partition on mac

Step 2: Select the location to start scanning lost partition. If you are not sure the location, you can go to select "I can't find my partition" to scanning lost files.

recover partition on mac

Step 3: Select a partiton where you want to scan lost files.

Step 4: Deep Scan recovery. If quick can can't find your lost partition data, you can go to deep scan which weill take quite a long time to scan for the lost partition, including all partitions that lost before.

mac partition recovery

Step 5: Preview recovered files. After deep scanning, you can preview recovered files and click "Recover" button to save.

mac partition recovery

Note: If you have an external hard drive connected with your Mac, the lost partition of the external hard drive will also be scanned out. So if you don't want to retrieve the lost partition of other hard drives, make sure they are not connected with your Mac.

After choosing the target partition, you can use the Filter Options to select the file types you are going to get back. As an advanced user, you also can set the specified region by the starting and the ending sectors. Then click Scan to recover all of the data inside the partition and save them on your Mac.

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Note: Recover Lost Mac Data under Mac OS X 10.13 (High Sierra)

Due to macOS High Sierra (macOS 10.13) requirement, Mac users are not allowed an access to the built-in system drive from any apps. Therefore, if you need to restore lost data from the system disk under macOS 10.13, please "disable System Integrity Protection" first.

How to disable "disable System Integrity Protection"? Please follow the steps below.

Step 1Reboot the Mac and hold down"Command + R" keys simultaneously after you hear the startup chime, this will boot OS X into Recovery Mode.

Step 2When the "OS X Utilities" screen appears, pull down the "Utilities" menu at the top of the screen instead, and choose "Terminal".

Step 3In the "Terminal" window, type in "csrutil disable" and press "Enter" then restrart your Mac.

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