How to Recover Deleted Partition on Mac OS X

If you no longer see your familiar volumes in Finder, and newly existing ones appear to be empty or cleared, you might have lost your partitions. While this may lead to the complete data erasure, if you act fast Disk Drill may be able to help you recover partition on Mac.
How to Recover Deleted Partition on Mac OS X
If a partition cannot be accessed, Disk Drill will attempt to locate and rebuild it using several powerful tools. The first is a Universal Partition Search, which can recover deleted partitions on Mac HFS+ volumes – plus FAT and NTFS volumes – and will create a virtual partition for any that are found. The second is Scan for Lost HFS+ Partition, which finds and rebuilds HFS+ partitions on your Mac, if they have been reformatted. And finally, there is Rebuild HFS+ Catalog File, which can rebuild the catalog of an HFS+ partition that won't mount correctly. These features along with HFS+ Extraction, new with Disk Drill 3, combine for unparalleled support of Mac partition recovery.

Once you have located or rebuilt the catalog of the lost partition, you can proceed with Mac data recovery. If you can't recover your partitions exactly as they were, you may still get your valuable data back. Below is an overview of the steps you can take with our Mac partition recovery software. For detailed tutorials, see How to Install Disk Drill and How to Recover Lost Files with Disk Drill Basic in our Knowledgebase.

#1 Install Disk Drill

Once you have downloaded Disk Drill partition recovery software by CleverFiles, you can add it to the dock right from your Applications menu. This will let you launch Disk Drill quickly whenever you need to recover partitions or change your settings.

  • 1Download Disk Drill
  • 2Drag to Applications Folder
  • 3Launch Disk Drill

#2 Connect External Drive

If you are recovering a lost partition from an external drive (USB drive, smart card, etc.), go ahead and connect it now.
Even if you are recovering a lost partition from your Mac's internal hard drive, you may still want to have an external drive to save the found data to. Now launch the Disk Drill app.

#3 Select the Disk to Recover Deleted Mac OS Partition

Once Disk Drill opens, you will see the list of available disks. Select the disk you wish to recover a missing partition from. Click the "Recover" button (or it may say "Rebuild") next to the main disk name, rather than selecting any individual partitions below it. Select the Disk to Recover Deleted Mac OS Partition

#4 Alternatively: Select Unpartitioned Space

Sometimes you will want to recover data only in an unpartitioned disk space. This may happen when not all partitions are lost or erroneously formatted. First, click and select the disk as you did in step #3.
Then click and select the newly appeared unpartitioned space (it will be shown as a separate partition titled "Unallocated" or "Not partitioned"). This means that Disk Drill will only scan and search for lost data in disk space which is not part of any existing partition. The actual data is probably still there untouched and recoverable, but that depends on many factors.

Data protection is as important as recovery!

Prevention is the key! Use outstanding Disk Drill capabilities to keep your partition safe and avoid data loss. Guaranteed Recovery keeps invisible copies of the files you moved to Trash for anytime recovery. If ever lost, files will be restored with names and locations thanks to Recovery Vault. S.M.A.R.T. Monitoring keeps an eye on your hard drive health.

Data Protection is as Important as Recovery

#5 Scan and Relax

Make sure you have selected the whole disk or unpartitioned space. Now click Recover (or Rebuild). The scanning may take some time. Just sit back and relax until it completes. Partitions that are found will immediately be scanned for lost files and folders. Scan and Relax

#6 Review & Recover Found Data

Everything Disk Drill finds after scanning will be displayed in the resulting list. You must preview the files by clicking the "eye" icon next to the name in order to determine if the file is fully recoverable or if it is corrupted. In case of deep scanning, the original file names are most probably lost, so you might need to go through the whole list of found items to locate the ones you need. Once you have identified the files you want, check the box next to their name, select the destination folder and click "Recover" to complete Mac recovery of your partition. Review & Recover Found Data

#7 Prevent Partition Loss with Recovery Vault

If you enable Recovery Vault to protect your drives in Disk Drill, your files will be recovered much faster and with much higher accuracy. If you ever need to recover missing partition on Mac OS X, the Recovery Vault database will be found during scanning and you will be able to recover your files using our award-winning unique Mac partition recovery software. Prevent Partition Loss with Recovery Vault
That's it! You now know how to recover deleted partition on Mac OS X. Why not download the free Disk Drill Basic today and give it a try?

Recover partition on Mac OS X with the best – Disk Drill!

Doesn't matter what type of drive you use (FAT, NTFS, or else), Disk Drill will do its best to find a binary signature of lost files in order to build up a file structure back. Disk Drill scans raw data to locate a file signature, once it is done files like XLS, DOC, AVI, MP4, JPG, and others, are restored even faster.

Protect your partition now!

Disk Drill 3
Recovery of partition on Mac is just a breeze with Disk Drill
Discover the easy partition recovery in Disk Drill for Windows. Free data protection available

More Articles on Recovery

  • 10+ Million
  • 500,000+
    in 150+ countries

What users and software gurus say

  • Tim Fulton
    Nice application! Much, much faster than “PC Inspector Smart Recovery” application using VMWare
  • We'll all experience data loss at some point in our computer-using lives so the more we can prevent it, the better. But when that fateful day does happen, you now know that there’s still a lot more you can do and data recovery isn't as scary (or expensive) as it sounds! Jordan Merrick