Does formatting a hard drive make deleted files permanently irretrievable?

Does formatting a hard drive make deleted files permanently irretrievable?
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1 Answer

Answer :

It makes them more difficult to retrieve, but unless you write new data over the data (sometimes called ‘zeroing’) it’s still retrievable. And people who have highly sensitive equipment and a lot of money and time to spend can still have a chance at recovering the data even then.
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