21:35:03 Write to Excel2007 format<br />21:35:03 File written to 33chartcreate-column-2.xlsx<br />21:35:03 Peak memory usage: 1 MB<br />21:35:03 Done writing file<br />File has been created in d:\wwwroot\case\wwwroot\case2\simplewind\vendor\phpoffice\phpexcel\Examples<br />