DRPU Excel Converter

Program to convert between XLS (Excel 2003) and XLSX (Excel 2007) file types.

DRPU Excel Converter is a batch Excel file converter that lets you convert between XLS (Excel 2003) and XLSX (Excel 2007) file types.

It gives you the option to select multiple files simultaneously or browse entire folder along with sub-folders. This program doesn't require MS Office to work.