A unique count (also called a distinct count) represents the number of unique values in a column. In the following list, a “standard” count is 4 and a distinct/unique count is 2
In Excel, Pivot Tables can display both a standard count and a distinct count.
If you store the Pivot Table source data in the Data Model instead of the worksheet grid, creating a distinct count is simple. However, neither the Mac version of Excel nor the online version supports creating Pivot Tables from Data Model-based data.
In this video I show you how to create a distinct count in a Pivot Table created in Excel Online or Excel for Mac. Links to the video and individual sections below: