How to Permanently Erase Previously Deleted Data on Mac?



updated on 2023-04-08 to Mac Data Erasure

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#1 Do you know that deleted data on Mac can be recovered?

When you delete a file or a folder on Mac and empty it from Trash bin, the file is not lost permanently. Actually, deletion only deletes the entry of the file and make the disk space of the file be available for new files. Before it is overwritten by new files, you can recover it with data recovery software or manual data recovery method.

The deleted files on your Mac (even the SSD Trim is enabled) are not destroyed completely. Any person can recover your deleted files by using a data recovery application, and will access to your private information. Before you give your Mac to other person, you may need to wipe the deleted files permanently to prevent potential data recovery.

#2 How to erase deleted data on Mac?

The quickest and most secure way to erase deleted data on Mac is to use a data erasure application. If you don’t have a data erasure application installed on your Mac, click the download button below to download AweEraser for Mac.

Data Eraser - AweEraser for Mac

  • Permanently shred files on Mac.
  • Wipe hard drive on Mac.
  • Erase deleted/lost data on Mac.

Normal deletion or formatting can’t permanently erase your data. If you want to permanently erase data from a hard drive, you should use a data erasure solution such as data erasure software.

AweEraser for Mac is a certified data erasure application which supports to permanently erase data from Intel-based Mac, Mac with Apple silicon or external HDD/SSD, USB flash drive, memory card, digital camera, etc. It provides military-level data erasure standards including U.S. Army AR380-19 (3 passes), DoD 5220.22-M ECE (7 passes). Once your data is erased by AweEraser for Mac, the data is gone forever, can’t be recovered by any data recovery software.

Why choose AweEraser for Mac? Check some of the advantages:

  • Certified data erasure standards, erasing from 1 pass to 35 passes.
  • No damage to SSD, 100% safe data erasure software.
  • Three flexible data erasure modes.
  • Extra tools: uninstaller, internet cleaner, disk tools.
  • Pretty simple to use.
  • Erase data from local disk or external storage device.

Follow the steps below to erase deleted data on Mac, making deleted data be unrecoverable!

Step 1. Download and install AweEraser for Mac on Mac. In order to erase deleted data on Mac, open AweEraser for Mac and choose data erasure mode - Erase Free Space.

Step 2. Select Mac disk, click on Erase Now button. Erase Free Space mode will securely wipe free disk space of your Mac and permanently erase all deleted/lost data on your Mac. It will not erase the existing data on your Mac.

Permanently erase data on Mac Studio

Note: Before starting, you can choose the data erasure standards. In our test, the deleted data will be permanently erases even with the 1 pass erasure.

Mac Deleted Data Erasure FAQs

No, the data erased by Disk Utility is not lost forever and can be recovered by data recovery software. For example, Magoshare Data Recovery for Mac can quickly unformat the hard drive which has been erased by Disk Utility.

If you want to shred a file on Mac, follow the steps below:

  1. Download and install AweEraser for Mac on Mac.
  2. Open AweEraser for Mac, select mode - Erase Files.
  3. Click Add button to add the target file.
  4. Click on Erase Now button to permanently erase the selected file.

Wipe Free Space means to wipe free disk space of the hard drive. It will permanently erase all the deleted/lost files on the hard drive.

No, if your data is erased by AweEraser for Mac, the data is gone forever, can’t be recovered by any method.

In most cases, you don’t need to wipe data permanently from your Mac. But, if you will sell or donate your Mac or give your Mac to other people, you’d better permanently wipe all sensitive data off.

Final Words:

Don’t let your private data fall into the wrong hands! When you delete files on Mac, empty Trash, the macOS marks the files as deleted files. The deleted files are not REALLY erased. With right data recovery apps, you or anyone else can easily recover the deleted files on Mac. To permanently erase deleted files on Mac, you can use a data erasure application - such as AweEraser for Mac to help you erase free disk space of your Mac.