07:49:15 Write to Excel2007 format<br />07:49:15 File written to 33chartcreate-column.xlsx<br />07:49:15 Peak memory usage: 4 MB<br />07:49:15 Done writing file<br />File has been created in d:\wwwroot\case\wwwroot\case9\simplewind\vendor\phpoffice\phpexcel\Examples<br />