A header or footer is text that prints at the top (header) or bottom (footer) of every page of a document. Headers and footers can be used to show the page number and document file path.
To add a header or footer to your document, or to edit existing headers or footers select Header and Footer from the View menu. Regular document text is dimmed, and the Header and Footer toolbar is displayed
Enter the header or footer text and format using the normal Word editing techniques.
Click the Close button on the Header and Footer toolbar to return to the document.