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Published 20 hours ago • verified publisher icon elidickinson

The file format and extension of 'report.xls' don't match. The file could be corrupt or unsafe.

Open hmkhafan opened this issue 6 years ago • 3 comments

hi i'm create an excel with this class, but when i open file in excel this warning showing in open dialog: "The file format and extension of 'report.xls' don't match. The file could be corrupt or unsafe." is there a way for preventing this warning?

hmkhafan avatar Jul 19 '18 09:07 hmkhafan

I have the same problem with opening the Excel file. Is there solution for it?

Nolana30 avatar May 20 '19 12:05 Nolana30

Is there already a solution for it? I am faced with the same issue now.

christophbee avatar Dec 16 '20 13:12 christophbee

Doesn't the docs state that this class supports only xlsx format?

ideiasfrescas avatar Feb 27 '21 12:02 ideiasfrescas