Hi all
I've been trying to use the formula for adding up weekly totals and using Mr Excels formula/example on youtube: https://www.youtube.com/watch?v=ZbEmZErWdvY
=SUMIFS($B$2:$B$14,$A$2:$A$14,">="&D2,A2:A14,"<"&D3)
I cannot for some reason copy the actual formula down any more then two...