What soft ware can you use to erase all of your data from a hard drive safely

The “tab” key can a. create extra cells in a word table *b. move from cell to cell in a word table c. move from the top of a column to the bottom of a column in a word table d. none of the above a. none of these answers are correct b. move from cell to cell in a word table c. move from the top of a column to the bottom of a column in a word table d. create extra cells in a word table