23:34:54 Write to Excel2007 format<br />23:34:54 File written to 33chartcreate-column-2.xlsx<br />23:34:54 Peak memory usage: 1 MB<br />23:34:54 Done writing file<br />File has been created in D:\abcd\ESSamp\ESSamp\wwwroot\2021BACK\PHPExcel\Examples<br />