I have used the formula below several times in my worksheet. I am using Excel 2016 so not facing any problem. But some other users are getting errors who are using Excel 2007/2010.
=IF($K$7="","",IF(NETWORKDAYS.INTL($K$7,$E$8,7,$T$35:$V$67)<1,"-",NETWORKDAYS.INTL($K$7,$E$8,7,$T$35:$V$67)))
When...