Quick formatting the hard drive or a doing a factory reset is often not sufficient, because the data can then be recovered pretty easily. We'll explain how to do it right. To prevent others from accessing your confidential documents, you should always delete it with FileZero so that it cannot be easily recovered.
On Windows and Mac, deleted files are moved to the Recycle Bin/Trash folder by default so that they can be recovered quickly if necessary. But even if you empty the Recycle Bin/Trash folder, the files remain on your hard drive. To keep the deletion time as short as possible, the operating system simply removes the path to a file so that it is no longer displayed in the Explorer or Finder. But the deleted information can very easily be recovered with a rescue software. To make this more difficult, the hard drive sectors in which the deleted file was located must be overwritten with new data.
if you want to securely erase data, just make use of a third party tool - iSumsoft Filezero, which is a professional file deletion tool that make deleted items impossible be recovered.
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