Scale to Fit Excel Spreadsheet to Print One Page
Make a worksheet fit the printed page or Scale a spreadsheet to fit in one printed page in Excel 2010, Excel 2007 and Excel 2013 or Scale to Fit Excel Spreadsheet to Print One Page.
How to Set Print Scaling in Excel:
If your worksheet has a lot of columns, you can use the Scale to Fit options to reduce the size of the worksheet to better fit the printed page.