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"Hi, I have an old MacBook Air that I have been using for 2 years. I will not use it any longer, and want to sell it on eBay. But I have stored thousands of private documents, videos and images on it. Before selling it to other people, I want to permanently delete the files and wipe the hard drive. What should I do?"

Why should we permanently wipe data before selling old Mac computer? The reason is pretty simple. We don’t want to other people get our private information. When our private files fall into wrong hands, it can lead to loss of privacy, business, property, reputation, and even cause criminal offence. For example, if other people get see your very private selfies, that would be terrible. And even worse, the criminals may get your financial information, account, password etc by recovery lost data from your old Mac computer.

In a word: we should permanently wipe sensitive data before selling the old Mac computer.

Some people may just delete the files or format the Mac hard drive before selling their old Mac computers. They think after deleting the files, emptying trash bin, or erasing the hard drive, their files are lost forever. Actually, it is a big mistake. The deleted or formatted files can be easily recovered by Mac data recovery software. Other people can easily recover your lost data from your old Mac even you have formatted the hard drive. It is very easy to get free Mac data recovery software, any user can recover your deleted/formatted data with it. So it is never safe if you only delete files or format hard drive before selling your old Mac computer.

Then, how to permanently wipe data before selling old Mac computer?

Permanently Wipe Sensitive Data before Selling Old Mac Computer

In order to permanently wipe data before selling old Mac, you need a third-party data erasing tool. Super Eraser for Mac is a good choice. It will computer erase data from your Mac and overwrite the disk space to make data recovery impossible. After erasure with Super Eraser for Mac, the data is lost forever, can’t be recovered by any data recovery software or data recovery service.

Besides its powerful data erasing capacity, Super Eraser for Mac also has flexible data erasure modes. It offers three modes to help you permanently wipe data before selling your old Mac computer.

Mode 1: Selectively erase files or folders on your old Mac.

permanently wipe data before selling old Mac

Mode 2: Wipe the entire hard drive to permanently destroy and wipe the existing data, deleted/lost data and history traces.

permanently wipe data before selling old Mac

Mode 3: Wipe unused disk space to permanently wipe the deleted/lost data or traces on your Mac hard drive.

permanently wipe data before selling old Mac

Super Eraser for Mac will remove all your worries when you are going to sell your old Mac. It is 100% capable of wiping sensitive data before selling old Mac. It also can permanently wipe data from external hard drive, digital camera, USB drive under Mac OS. It is safe, efficient, and easy-to-use, so why don’t use it to permanently wipe data before you sell your old Mac computer?

DoYourData Author

Written & Updated by Shirly Chen

Shirly Chen has been writing data recovery, data erasure articles for DoYourData over 4 years. She has been working as a professional website content writer & editor for quite a long time. She also writes articles about disk clone, Mac optimization, disk backup, etc.

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