Instructions. Open a blank document in Microsoft Word. Type a number that you would like to square. Type 2 next to the number. Highlight the 2 and right click with your mouse.Select Font from the menu. In the Font tab check off Superscript in the Effects section.Click OK..nstructions. Open a blank document in Microsoft Word. Type a number that you would like to square. Type 2 next to the number. Highlight the 2 and right click with your mouse.