If you have Excel 2007 installed  and you are looking for a way to convert XLSX ->XLS using windows shell (batch script, etc.) here’s the perfect solution: 1) copy this code and save it is as xlsx2xls.vbs  OR simply download it Set objExcel = CreateObject("Excel.Application") Set objWorkbook = objExcel.Workbooks.Open(Wscript.Arguments(0)) objExcel.Application.Visible = False objExcel.Application.DisplayAlerts = False objExcel.ActiveWorkbook.SaveAs Wscript.Arguments(1), 56 objExcel.ActiveWorkbook.Close objExcel.Application.DisplayAlerts = True objExcel.Application.Quit WScript.Quit 2) in [...]