How to Convert Excel 2007 to Excel 2002

Instructions
1. Complete your spreadsheet. Save as usual by clicking on the 'Office' button and selecting 'Save' from the drop-down menu. This will open a pop-up window. Type your file name in the 'File Name' box and click 'Save.' This will save your spreadsheet as an Excel 2007 file with the extension '.xlxs' and ensure that you have access to the original document.
2. Use the 'Save As' option to convert your Excel 2007 file to one that is compatible with earlier versions of Excel. Click on the 'Office' button again to reveal the drop-down menu.
3. Select 'Save As' from the drop-down menu. This will reveal a sidebar menu with several format options. From this menu, select 'Excel 97-2003 Workbook.' In the pop-up window that opens, type in your file's name and click 'Save.' This will convert your spreadsheet into an Excel file with the extension '.xls.'