A family of Microsoft word processing software products for creating web, email, and print documents.
See the little Layout Options box that pops up when you select one? It gives you access to this.
It is also on the Format tab that shows up when you have an image or a textbox selected.
Note the Format tabs are different tabs even if they appear in the same place, have the same name, and look similar. They are contextual tabs and are different for pictures and text boxes.