The attached XLS failed to convert to PDF, giving the following exception: Unhandled Exception: Aspose.Cells.CellsException: This Excel files contains BIFF7(Excel95 or earlier file format) records. at ?.?.?(† ?) …...Open(Stream stream, FileFormatType...type) at Aspose.Cells.Workbook.Open(String fileName) at BankOfAmerica...