We have already explained the basics of outlines in PowerPoint 2007 and changing weight and dash types. In this tutorial, we’ll learn about adding arrowheads to lines. First things first: arrowheads can only be added to lines within open shapes. Shapes, such as rectangles, circles, etc. are closed shapes. Regular line Shapes, such as straight lines, curves, scribbles, etc., are open shapes.
Learn how to format arrowheads for line shapes in PowerPoint 2007 for Windows.

