Whats the difference between xlsx and xlsm files? A few people get the error 'Excel cannot open the file ' filename.xlsm ' because the fie format or file extension is not valid'. xlsm format that I have emailed to several recipients.
Frequently Asked Questions Why is excel not able to open filenamexlsm?Įxcel cannot open the file 'filename.xlsm' because the fie format or file extension is not valid.but only on some computers? I have a file in.
