What if you decide you want a different layout altogether? You can easily switch to another one.
With the graphic selected on the slide, click the Design
tab in SmartArt Tools
. (These tools are available whenever the graphic is selected.)
Click a layout thumbnail in the Layouts
That layout is applied to the graphic.
Tip: Reset a graphic If you've altered the structure of the graphic by adding and deleting shapes or done other customizations, and you want to start over, click Reset Graphic:
This resets the whole graphic. It's on the Design tab in SmartArt Tools.
If you only want to go back a few steps, you can use Undo on the Quick Access Toolbar.