There are several things you can do to alter the appearance of the table. These are adding rows and columns and deleting rows and columns.

To add a row at the end of a table, place your insertion point in the last cell (last row, last column) and press the Tab key.

To add a row within the table, place your insertion point in a cell below where you want to add a row and from the Table menu, select Insert. Select either Rows Above or Rows Below option.

To add a column within the table, place your insertion point to the right of where you want to insert a column. From the Table menu, select Insert. Select either Columns to the Right or Columns to the Left option.

To delete a row, place your insertion point in the row to be deleted. From the Table menu, select Delete. Select the Rows option.

To delete a column, place your insertion point in the column to be deleted. From the Table menu, select Delete. Select the Columns option.