Hello
So I have manged to find a formula to help produce a list of unique names based on rules, but i can only get it to return the first name from the whole list.
{=IFERROR(INDEX(Master!$B$2:$B$500,MATCH(0,COUNTIF(H$2,IF(Master!A$2:A$500=H$2,Master!B$2:B$500,H$2)),0)),"")}
"Master B" is the...