Step: 1. First, turn on the computer, download and install office software. Take WPS as an example.

2. After the installation is completed, we double-click the icon to open it, and then click New on the left.

3. Then select the icon of the table and click "New Blank Table" below.

4. Enter some data in the blank table.

5. Then enter the formula = replace (e2 e2,7,8,) in the new cell.

6, then enter, one-click to get it, and finally drop down to fill.