Convert XLSB To XLTM Online for Free. Free Online XLSB To XLTM Converter. C++ XLSB To XLTM. XLSB To XLTM via C++....Conversion DOCX JPG PDF XML XLSX XLTM Convert XLSB to XLTM via...Factory::CreateIWorkbook(new String( "Input.xlsx" )); wkb->Save(new String( "Output...