An Excel file, called a workbook, is composed of multiple worksheets. If you want to add a header or footer to all sheets, select every sheet by right-clicking one of the sheet tabs at the bottom ...

Microsoft Excel allows users to insert a header and footer for each page manually. Other than that, you can customize it with the current date, time, as well as regular text.

In Excel 2003, choose Header and Footer from the View menu. Page Layout is new to 2007. Now you’re ready to add the header data: Click the Click To Add Header prompt and enter your header text.

A complex Excel 2007 workbook could require multiple sheets. By default, Microsoft provides three sheets on each workbook, but you can add as many as you need. Clicking the "Insert Worksheet" button ...