That is how this configuration is possible. Every location on the hard drive disk has a zero-byte written to it. Data restoration is impossible after using this utility! Restore Your Hard Disk Drive to its Factory Configuration HDD Low Level Format Tool restores the factory configuration to the hard drive. Note: After running this low level format tool, the whole disk surface will be erased. However, a tool like this one does zero-fills only. The factory is where the true Low-Level Formatting is performed.

An application that helps perform this action is called the HDD Low Level Format Tool. This is how the physical format is built. Data is stored on a disk in a specific assigned location. Low-Level Formatting is a term that describes the disk formatting process.