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 ?.?.?(† ?) …...July 8, 2009, 6:14pm 1 The attached XLS failed to convert to PDF...supported file formats, please refer to the Supported File Formats...