You can also select the Insert Table option. An Insert Table dialog box will open. In the dialog box, enter the number of columns and rows you want and click Ok. How to draw a table in PowerPoint ...

Press "Ctrl-V" to insert the table into the PowerPoint 2007 slide. Click and drag the small circles and squares that delimit the table to resize it.

For example, if a table contains many rows and columns, you might shade alternate rows to help readers distinguish them from one another.