How to Turn Excel 2007 Documents to Excel 2003

1. Open the Excel 2007 file that you want to convert into Excel 2003.
2. Click the 'File' button in the upper left hand corner.
3. Highlight 'Save As,' and then select 'Excel 97-2003 Workbook' as your save option. This will save your spreadsheet as '.xls', which is the Excel 2003 format.