See the steps below.
* Select the slide where you want the SmartArt graphic to appear.
* From the Insert tab, select the group.
* A dialog box will appear. Select a category on the left, choose the desired SmartArt graphic, then click OK.
* The SmartArt graphic will appear on the current slide.

See the steps below.
* Select the text box.
* Select the Home tab and from the Paragraph group, select Add or Remove Columns .
* From the drop-down list, select One Column , Two Columns , Three Columns , or More Columns