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Many of the commands you'll use to prepare your workbook for printing and PDF export can be found on the Page Layout tab. These commands let you control the way your content will appear on a printed page, including the page orientation and margin size. Other page layout options, such as print titles and page breaks, can help make your workbook easier to read.

You learn how to change page orientation and by using page layout on the ribbon. Another important skill is learning how to customize margins.  This can help you customize your workbook sheet and make it work for you. This lesson is easy to learn ut very helpful.