Choose the borders settings. Open the document you wish to add a border to and click the Page Layout tab. Select the Page Borders button, located in the Page Background menu on the toolbar.The Borders and Shading dialogue box will open.lick the Format tab in the Picture Tools menu. Click the Wrap Text button, located in the Arrange menu on the formatting tool bar, and select the Behind Text option from the pull-down menu. Right click on the border image, and choose Size and Position from the pull down menu. The Layout dialogue box will open.