How can I export my Xls report to a (binary) string instead of file? JExcelApiExporter XlsExporter = new JExcelApiExporter(); XlsExporter.setParameter(JRExporterParameter.JASPER_PRINT, printedReport); XlsExporter.setParameter(JRXlsAbstractExporterParameter.IS_DETECT_CELL_TYPE, new Boolean("true")); XlsExporter.exportReport(); String Xls=""; Just like I do with PDF's: JasperExportManager.exportReportToPdf(printedReport) --- Thank you!