The horizontal and vertical rulers in Word are often used to align text, graphics, tables, and other elements in a document.
To view the horizontal ruler across the top of your Word document and the vertical ruler along the left edge of your document, you must be in Print Layout view.
Show or hide the horizontal and vertical rulers
To show or hide the horizontal and vertical rulers, click View Ruler at the top of the vertical scroll bar.
Note: The vertical ruler will not appear if it is turned off. To turn on the vertical ruler, do the following:
Click the Microsoft Office Button , and then click Word Options.
Under Display, select the Show vertical ruler in Print Layout view check box.