APosition your cursor where you would like to insert the columns. Open the insert ribbon. In the pages group, click columns, select three.
BPosition your cursor where you would like to insert the columns. Open the insert ribbon. In the page group, click Page break. Select three.
CPosition your cursor where you would like to insert the columns. Open the page layout ribbon. In the arrange section, select three.
DPosition your cursor where you would like to insert the columns. Open the page layout ribbon. In the page setup section , click columns select three.