Ribbon Panel of page layout will open.Ģ.Go to “ Page borders” option. How to add pag e border word in Windows or Macġ.Open existing word document and put your cursor on “Page layout” tab. In this article steps are given how to add page border word on Windows or Mac. These borders can represent the outer edge of a document or separate sections within a document from each other. Also, you can customize your own page border word like thickness, color, design, size of the border. There are many customization and style available for page border word. In word document adding border enhances readability and looks very attractive when you apply the page border.