DFSS XL runs on Microsoft Excel 2000, Excel XP (2002), Excel 2003, or Excel 2007, therefore you must have Excel 2000 or greater installed on your computer to run DFSS XL. You should also be running Windows NT, 2000, XP, or Vista. DFSS XL is not compatible with non-Windows operating systems.

To determine your version of Microsoft Excel, select "Help" - "About Microsoft Excel" from the Excel menu. The "About Microsoft Excel" dialog box will appear with the version of Excel at the top.

DFSS XL integrates into Microsoft Excel 2000 or later.
Every chart and statistic that DFSS XL creates is in a normal Excel workbook. You can share your results with anyone who has Excel.