In Mac systems, unlike Windows, you don’t delete but erase files. However, this file erasure in Mac is similar to file deletion in Windows.

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In other words, when you erase a file in Mac, only the pointer location to the file is deleted from file system journal. However, the actual file and data remain on the Mac hard drive unless overwritten.

Thus, to permanently delete and secure erase data from a Mac hard drive, you need to overwrite it deliberately with the help of a secure data erasure standard such as DoD 5220.22-M, NATO, etc.

To learn how an admin can turn on Files On-Demand, see Configure Files On-Demand for Mac (IT administrators). Mark a file or folder for offline use or as online-only Once Files On-Demand is turned on, you'll see the following new options when selecting files or folders in Finder.

In Mac, you can do this via Disk Utility, Terminal Command, and by using a secure file erasure tool such as BitRaser for File Mac.

1. Steps to Permanently Delete Mac Files with Disk Utility

IMPORTANT NOTE: With the first two methods—Disk Utility and Terminal Command—you can’t permanently delete individual files from Mac hard drive. These two methods can help you wipe a Mac hard drive volume (other than the system volume) or physical external hard drive with DoD 5220.22-M standard.

Thus, if you want to permanently delete or secure erase individual or only a few selected files from Mac drives, skip to the last steps to permanently delete files on Mac with secure file erasure software.

On your Mac system,

• Click on Launchpad and open ‘Disk Utility’ under Utilities
• Choose the hard drive volume that contains files that you want to remove

• Click on ‘Erase’ button at the top
• Enter a volume ‘Name’, choose a ‘Format,’ and click ‘Security Options…’

• Move slider to ‘Most Secure’ and click ‘OK.’

The ‘Most Secure’ security option is slowest. It implements U.S. DOD 5220.22M (7-pass) secure data erasure standard to erase every bit of information from your Mac hard drive.

• Click ‘Erase’

If Disk Utility fails to wipe the disk, use diskutil Terminal Command discussed in the next method to secure-erase files from a Mac hard drive.

2. Steps to Permanently Delete Files on macOS with Terminal Command

IMPORTANT NOTE:With secure-erase terminal command, you can’t secure erase a particular hard drive volume. It securely wipes the entire disk. But you can use the Terminal to securely wipe empty storage space on a Mac hard drive volume.

1. Go to Application> Utilities and open the Terminal app

CAUTION: Terminal is a powerful command-line tool in Mac. A minor typo in the command can lead to chaos and may turn your Mac machine into an expensive paperweight. Use it cautiously

2. Type diskutil list

This command lists all the connected hard disks and volumes. Note down the disk number of Mac hard drive volume that you want to erase.

3. Type diskutil secureErase 2 disk#

Replace # with the hard disk number. The command will erase the selected Mac hard drive with US DoD 5220.22M (7-pass) erasure standard

If you wish to wipe only free space on the Mac hard drive, enter the following command in Terminal window and press ‘Return’ key,

diskutil secureErase freespace 2 disk#s#
Again, replace # values with the hard disk volume number

3. Steps to Permanently Delete Files on Mac with BitRaser for File

With BitRaser for File, a simple and secure file eraser software, you can permanently delete all your sensitive files beyond recovery. It is a certified secure file eraser and privacy-safeguarding tool for Mac and Windows.

You can use the software to permanently delete specific or all files or folders from your Mac machine and supported storage drives. The software can erase files as per 17 international file erasure standards including DoD 5220.22-M, NATO, Gutmann, etc.

It also has two verification methods—Total and Random—that verify the data destruction simultaneously.

Thus, files and folders erased by using BitRaser for File can’t be recovered through any data recovery software or services, including forensic tools.

To permanently delete files on Mac hard drive by using BitRaser for File, follow these simple steps:

• Install and launch ‘BitRaser for File’ on your Mac
• Click on the gear icon at the top to choose ‘Settings’
• Choose a data erasure algorithm, verification method, and Certificate Path from the respective drop-down lists and click ‘OK.’

Toggle ON ‘Files & Folder’ or ‘Search & Erase’ and toggle OFF all other options

If you choose ‘Search & Erase’ option, the software generates a tamper-proof and digitally signed certificate of erasure. This certificate and data erasure report can be used as a legit document to meet regulatory compliance and guarantees data destruction beyond the scope of recovery.

• Click ‘Next’ and explore the Mac hard drive volumes that contain files you want to delete permanently

• Select the files and click ‘Erase’
• Confirm the erasure task and restart your Mac machine when it’s finished

With BitRaser for File, you can also remove other sensitive data such as Internet Activities data, system traces, and application traces stored on your Mac system and hard drives.

This sensitive data usually contains confidential information such as card details, chat messages, browsing history, saved passwords and auto-fill form info, etc.

Conclusion

If you want to permanently remove a confidential file, never erase it, always secure-erase with the help of a secure file erasure tool.

You could use macOS’ proprietary tools such as Disk Utility and Terminal to secure-wipe your Mac hard drive. It is critical to do so when you need to sell, donate, or dispose of your Mac hard drive. But neither Disk Utility nor Terminal allows you to secure-erase individual or bunch of selected files from Mac hard drive.

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In such a case, you can use a secure file eraser such as BitRaser for File. It lets you choose and destroy individual files and automate event-based file erasure tasks. Plus, you can use any of the 17 supported international data erasure standards to remove your sensitive data beyond the scope of recovery.

To learn more about BitRaser for file – Mac edition, click here.

Making space on your device by deleting files is a common way to keep your device unclogged. Sometimes you want to delete the files permanently because you are either selling your computer or want the files gone permanently for security reasons.

You can’t possibly make this happen manually. Doing this tedious task with the help of a third party app not only saves your time but also ensures that the work is done. With the help of an app, you can permanently delete files and also its traces.

In this post, we will discuss how to delete your files on Mac permanently without leaving any traces.

Can You Delete Files Manually?

Yes, it can be! You can remove your files manually from your Mac and there are two methods to do the same with Keyboard Shortcuts. If your Mac is updated to the latest version of OSX, then you have an option to permanently delete files on Mac. This means the deleted file will be removed from your Mac instead of landing into the Trash bin.

1. Keyboard Shortcuts For Deleting Files/Folders Immediately:

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To delete a file or folder permanently, follow these steps:

• Select the file that you want to delete permanently.
• Now Press Option+Command+Delete on your keyboard and click Delete on the prompt that appears to complete the process.

This method will permanently delete a file from your Mac.

Note: You can also permanently delete folders on Mac in the same way.

Read Also: Steps To Change Your Mac’s Default Applications

2. Use Finder Menu To Delete File/Folder Immediately:

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You can also use Finder menu to delete a file or folder immediately. To do so, follow these steps:

• Select the file(s) or folder(s) that you want to permanently delete on your Mac then hold the OPTION key while you access the “File” menu from the Finder.
• From the drop-down list, select Delete immediately.

• It will ask for your permission to Delete a file/folder permanently.

No doubt the files will be deleted permanently with this method however, there may be traces left behind. So, to make sure that your deleted files stay irretrievable and is out of your Mac without leaving any traces, then using a third party app is the best option.

Can We Permanently Delete Files/Folders On Mac?

One of the best software to take care of this mess is TuneupMyMac application by Systweak software. The application has an inbuilt shredder which works wonders when it comes to deleting secret files permanently. We have listed a step by step guide which will help you to know how to use shredder option of TuneupMyMac to delete files permanently without leaving traces. Download TuneupmyMac here.

1. Launch TuneupMyMac or install if you have got it already.

2. Once the app is up, under Security, click Shredder.

3. The shredder interface is up, click Add to add the files or folders which you want to remove permanently.

4. Make sure you have selected the files which you want to delete by double checking the list.

5. Now, click on shred icon to permanently delete files on Mac.

In this way, you can delete files, photos or folders permanently from your Mac without leaving traces behind.

Read Also: How To Organize Files And Folders Using macOS Tags

Are There Any Additional Features Of TuneupMyMac?

Yes, the application has other features as well. The application doesn’t only remove files or photos from your Mac but also helps you recover storage on your Mac. It also comes with an inbuilt duplicate file cleaner, which helps you to remove duplicate files from your Mac and helps you keep your Mac organized. It will also help you to recover space on your Mac by clicking it and removing logs and other junk files on your Mac. You can also uninstall applications from your Mac along with its associated files.

Using this software can work on Mac OS X 10.7 or later so if you are running an older version of OS X which is not having “Delete immediately” option by default it can be considered as better way.

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