How to Permanently Delete Files/Folders on macOS Big Sur?

Coco Lin
Written byCoco LinUpdated on Jan 07, 2026
Gerhard Chou
Approved byGerhard Chou

Table of Contents

Before we start: Shredding files is different from deleting files on macOS Big Sur. Deleting files just market the data area as useable but will not wipe the data immediately. If you want to ensure the specified files will be gone forever immediately, you can use the software Doenmax Data Eraser for Mac to shred the files.

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If you are going to sell or donate your macOS Big Sur device to other people, you'd better permanently shred your private files to prevent potential data recovery. However, after deleting the files + emptying the trash bin, the deleted files still can be recovered by data recovery software. So, what is the effective way to permanently delete files/folders on Mac? Don't worry, we will introduce an easy-to-use macOS Big Sur file shredder for you to securely and permanently erase files/folders from your Mac or external device.

macOS Big Sur file shredder

To help you shred files permanently and protect privacy information safe, we will show you a reliable and professional data erasure software in this article. Also, a detail guide about how to shred files step by step using the software will be introduced.

Best File Shredder for macOS Big Sur

Donemax Data Eraser for Mac is a powerful, safe and easy-to-use file shredder. It is fully compatible with macOS Big Sur. If you are looking for a tool to shred files in macOS Big Sur, just download and try this data erasure software.

Donemax Data Eraser for Mac

  • Permanently shred files or folders on macOS Big Sur.
  • Safely wipe data to prevent data recovery on Mac.
  • Fully compatible with new macOS versions.

With advanced data erasure technology, Donemax Data Eraser for Mac is able to securely and permanently erase files/folders from your Mac computer, USB flash drive, memory card, digital camera, etc. Once your files are erased by this macOS Big Sur file shredder, the erased files are gone forever, can't be recovered by any data recovery software.

The software is not only a file shredder, but also it can help you wipe drive directly. You can wipe all data at once by wiping the entire drive. In some other cases, you can use the software to wipe the data deleted or lost before.

Easy Steps to Shred Files/Folders on macOS Big Sur

Donemax Data Eraser for Mac is a complete DIY data erasure tool. Follow the steps below to help you permanently delete files in macOS Big Sur.

Step 1. Choose data erasure mode - Erase Files/Folders.

Run Donemax Data Eraser for Mac on your computer, then choose data erasure mode - Erase Files/Folders.

macOS Big Sur file shredder

Step 2. Add files/folders.

Click to add files/folders you want to erase.

macOS Big Sur file shredder

Step 3. Erase the selected files/folders.

Just click on Erase Now button, then this macOS Big Sur file shredder will permanently erase all the selected files/folders.

macOS Big Sur file shredder

Once the process gets finished, the selected files/folders will be gone forever, can't be recovered by any data recovery method.

macOS Big Sur file shredder

It is very simple to permanently delete files in macOS Big Sur by using Donemax Data Eraser for Mac. You can shred files from Mac-based hard drive, HDD, SSD, memory card, USB flash drive, digital camera, etc. It also offers other methods to help you permanently erase data in macOS Big Sur.

Erase Hard Drive - wipe all data from a hard drive

This mode will help you wipe an entire hard drive. All data on the hard drive will be permanently erased. Before you sell, donate or give away your digital device, you can use this mode to destroy all data on your device.

wipe hard drive on macOS Big Sur

Erase Free Space - permanently erase deleted data

This mode will only erases the deleted data on your hard drive. Just wipe the free disk space of the hard drive, then all deleted/lost data on the hard drive will be permanently erased.

wipe free space for macOS Big Sur

Besides erasing data in macOS Big Sur, Donemax Data Eraser for Mac also can help you erase data on old macOS versions, like Catalina, Mojave, etc. Also, it is frequently updated to support the new macOS to the latest one. It is 100% safe data erasure software, and will not cause any damage to your Mac SSD, HDD or external device.

Donemax Data Eraser for Mac also offers uninstaller which is able to help macOS Big Sur users easily uninstall unwanted applications & delete all associated files including app junk, caches, logs, etc. The internet cleaner can help to quickly delete all browsers' cookies, caches, histories, etc.

Conclusion:

When you need to remove senstive data from your drive or Mac, simply deleting the files and emptying the Trash is not enough. Deleted files can be recovered by data recovery software on macOS Big Sur or other systems.

With the reliable data wiping tool, like Donemax Data Eraser for Mac, you can safely shred files permanently. After shredding the files, the data is unrecoverable. You can also use the software to wipe deleted data or erase ensure hard drive along with all data.

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Donemax Data Eraser for Mac

100% safe and powerful Mac data erasure program. It offers certified data erasure standards including U.S. Army AR380-19, DoD 5220.22-M ECE to securely and permanently erase data from Mac HDD/SSD and external storage devices, making data recovery impossible.

FAQs about File Shredder for macOS Big Sur

Yes. If you deleted files and even emptied the Trash on macOS Big Sur, the deleted data is still recoverable. Using a data recovery software, you can easily recover the deleted data before the data was overwritten by new files.
Shreding files is different from deleting files. You need a professional data wiping tool, like Donemax Data Eraser for Mac, to shred files as follows:
  • Download and install Data Eraser on macOS Big Sur.
  • Run the software and select Erase Files/Folders.
  • Choose the files or folders you want to shred permanently.
  • Select a data erasure standard and start shredding files.
  • Scan the drive with data recovery software to verify the result.
  • Donemax Data Eraser for Mac
  • Magosare AweEraser for Mac
  • DoYourData Super Eraser for Mac
  • BitRaser
  • Eraser
Coco Lin
Contributing Writer

Coco Lin

Coco has been a writer and a chief programmer at Donemax software since 2018. Over 10 years of experience of writing troubleshooting articles in the software industry, she is passionate about programming and loves to providing solutions to Windows and Mac users. Also she enjoys music and palying tennis in her free time.

Gerhard Chou
Editor in chief

Gerhard Chou

In order to effectively solve the problems for our customers, every article and troubleshooting solution published on our website has been strictly tested and practiced. Our editors love researching and using computers and testing software, and are willing to help computer users with their problems