That was in response to Jeremy_Oglesby’s solution above (Step 1: Create a new table). But also as mentioned, from the groups table at the bottom when you click on “Summary” the option “Unique” is missing on the column i need to find unique counts for...

Just to follow up on this, neither solution presented thus far works for me. The lengthy (and unseemly) process of creating a summary table just to count the number of groups ended up failing with the formula just calculating 1 unique value… And the...