|4.2.11.Add or remove lines from a table|
Select the table, and then click the Design tab under Table Tools.
Select a pen style, weight, and color.
To add a line. Click the Draw Table button,
and then drag the pencil pointer from one boundary to another to add cells.
To remove a line. Click the Eraser button,
and then click on a border to erase a cell.
Press ESC when you're done.