Hi there
I posted a thread earlier it looks lik it was wrorking but it now appears not working.
Can you use countifs in custom data valadation my formula that i want to use is =COUNTIFS($B$4:$B$50000,"="&B4,$AO$4:$AO$50000,"="&AO4)=1 Can any body help me?
I posted a thread earlier it looks lik it was wrorking but it now appears not working.
Can you use countifs in custom data valadation my formula that i want to use is =COUNTIFS($B$4:$B$50000,"="&B4,$AO$4:$AO$50000,"="&AO4)=1 Can any body help me?