I have used http://www.yiiframework.com/extension/phpexcel/ to generate excel file and its working.
but there is problem when i just download/open it .
when i save the file on my computer prior to open it, it works, but when i just download/open it, it frozes!
file name is change when i download/open it e.g test.xls.xlsx
how can i just download /open with this extension