Question

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How to securely delete a computer file?


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Answer 1

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File Deleted from a computer they are not erased permanently.

There are two ways can you delete files from a computer so they cannot be recovered.

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•Eraser - Free and open source Windows program.

•Freeraser - Free Windows program.

•DP Shredder - Free Windows program.

•File Shredder - Free Windows program.

•SDelete - Free Windows command line command to safely delete files.


This type of hard drive erasure writes zeroes to the entire hard drive effectively overwriting all files and folders on the hard drive.

Essentially all data is erased by zero filling the hard drive.

You can do whatever you want with it after that point with no worries about someone stealing your files.

You can also purchase third-party software to securely wipe a hard drive of all files and folders.

Similar to zero-filling this software can write random data to the entire hard drive effectively overwriting everything and making it impossible to recover any files.


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Answer 2

Explanation:

Just drag whichever files you want to eviscerate into your trash bin, then go to Finder > Secure Empty Trash — and the deed is done. You can also securely erase your entire hard drive by entering the Disk Utility app and choosing "Erase." Then click "Security Options.