You can change the height and width of tables and individual rows and columns by clicking and dragging the edges of the table bars.
How to resize tables, rows, and columns
(to show the table row bars), and click
(to show the table column bars) at the bottom of the editor. See About Structure Bars.To resize all table rows: Click the lower edge of the row bar for the entire table and drag it up or down.

To resize all table columns: Click the far right edge of the column bar for the entire table and drag it right or left.

To resize an individual table row: Click the upper or lower edge of the row bar and drag it up or down.

To resize an individual table column: Click the left or right edge of the column bar and drag it right or left.

Note: You can also use "auto-fit" behaviors in the Properties dialog to automatically resize a table. See Editing Table Properties.
Note: If you set a table to a specific height, that height may not be represented accurately if you are viewing the topic in Print Layout mode. See About Layout Modes.