- Click inside the table cell you want to change.
Hold down Shift and click inside another cell. All cells between the two cells will be selected.
- Right-click and select Borders...
- In the Cell Border Properties dialog box, select a lineweight, linetype and color. To specify a double line border, select Double Line.
Use BYBLOCK to set the border properties to match the settings in the table style.
- Click one of the border type buttons to specify which borders of the cell to modify, or select a border in the preview image.
- Click OK.
- Press Esc to remove selection.