We can able to generate a xlsx file and open through open office and WPS software. Its working fine.
While we are trying to open through microsoft excel software. its not opening, getting an error.
Error Message : 'Excel cannot open th file 'sample.xlsx' because the file format or file extensions is not valid. verify that the file has not been corrupted and that the file extension matches the format of the file.'
Request your help to resolve this problem.