Excel formula: XLOOKUP
I had to tweak this article as I was only using 2 columns (email and login date)… Here’s what my formula looked like (I used excel tables), pasted in column F XLOOKUP(MAX(Table2[Login Date/Time (UTC)]),(Table2[Email]=E2)*Table2[Login Date/Time (UTC)], Table2[Login Date/Time (UTC)],,-1) the E column listed unique email addresses. The source table which had multiple date/times per email …