Add Change Or Remove Cell Borders In. Select the cell or range of cells where you want to remove the borders. Select the table menu and then table options at the bottom of the table window.
AltV If cells in multiple columns are selected apply or remove the vertical divider. To select individual cells press down the control key and select each cell. Press the Esc key on the keyboard when you have finished to remove the pencil cell pointer.
Select the cells whose border you want to change.
AltH If cells in multiple rows are selected apply or remove the horizontal divider. Click the arrow next to the Borders button. AltH If cells in multiple rows are selected apply or remove the horizontal divider. Apply Border to All the Cells with Text.