Cleaning the MacBook is a must before you either sell, trade or recycle it. This will make sure that none of your personal files such as bank documents, personal images, and passwords fall into wrong hands.

Unfortunately, most people are not aware of the fact that deleting the folders from your Macbook's trash and emptying it does not help much in cleaning your data. What happens is the directory connection is deleted but the actual binary data of the files remains untouched on your SSD or hard disk.

Here is how you can properly wipe your MacBook.

The Default Method: The Apple Built-In Erase Assistant

If you are using a recent version of an OS such as macOS Monterey, Ventura, Sonoma, or Sequoia on a relatively new Mac device, then Apple has provided you with a built-in tool for erasing the system.

Backup of Your Mac

Make sure that you have saved all important data into an external hard disk or cloud storage.

Access the Reset Window

Go to the top left corner and click on Apple menu. From there, go to System Settings (or System Preferences) and click on General. Now from Transfer or Reset.

Start the Erase Assistant

Click Erase All Content and Settings. Then enter your admin password along with Apple ID credentials in order to log out of iCloud and turn off "Find My Mac."

The Secure Solution: MacMister Data Wipe for Mac

Although the native software does its job quite effectively, there are some disadvantages. In case if you use an old mac, have several external hard disks attached or want to make sure by 100% that no forensic software could recover your files, the special program like MacMister Data Wipe for Mac is strongly recommended.

It offers professional data wiping capabilities. Unlike Erase Assistant, which only unlinks files from the system, MacMister writes random sequences of 1 and 0 over your storage blocks, thus, destroying any remnants of your original data.

Benefits of MacMister Data Wipe:

• Government-Wide Algorithms of Erasing: The program offers over 15 worldwide wiping algorithms, including standard Zero Fill (1 pass), DoD 5220.22-M (3 passes) and NATO Standard (7 passes).
• Tailored Targeting: Unlike Erase Assistant, it does not force you to do a full factory reset; instead, you can erase particular internal volumes, user accounts or backup hard disks without touching the operating system.
• Evidence Report: After wiping procedure is finished, you get a certified erasure report.

Conclusion

Erasing a MacBook permanently should not be an issue at all. If you want a simple way to erase the laptop and give it to a family member, the Erase Assistant from Apple would do a good job. However, when it comes to having your data completely secure or when you require sanitization of an external target, then MacMister Data Wipe for Mac is what you need.