To add or delete columns and rows, right-click a row or column, and then click the command you want.

You can also quickly add a row by clicking in the lower-right cell of the table and pressing the Tab key.

Here are more detailed instructions.

Add a row above or below

1. Right-click in a cell above or below where you want to add a row.
2. On the shortcut menu, point to Insert, and then click Insert Rows Above or Insert Rows Below.

Add a column to the left or right

1. Right-click in a cell to the left or to the right of where you want to add a column.
2. On the shortcut menu, point to Insert, and then click Insert Columns to the Left or Insert Columns to the Right.

Delete a row

1. On the Home tab, in the Paragraph group, click Show/Hide.

2. Select the row that you want to delete by clicking to the left of the row.

3. Right-click, and then click Delete Rows on the shortcut menu.

Delete a column

1. On the Home tab, in the Paragraph group, click Show/Hide.

2. Select the column that you want to delete by clicking the column's top gridline or border.

3. Right-click, and then click Delete Columns on the shortcut menu.