Count from Unique Criteria

Using Power Query, here is the Mcode to solve

let
Source = Excel.CurrentWorkbook(){[Name="Table1"]}[Content],
#"Changed Type" = Table.TransformColumnTypes(Source,{{"Date", type date}, {"Day", type text}, {"Area", type text}, {"Product", type text}, {"SalesmanName", type text}}),
#"Grouped Rows" = Table.Group(#"Changed Type", {"Date", "SalesmanName"}, {{"Count", each Table.RowCount(Table.Distinct(_)), Int64.Type}})
in
#"Grouped Rows"

Attached is a file you can follow the steps.

Power Query is a free AddIn for Excel 2010 and 2013, and is built-in functionality from Excel 2016 onwards (where it is referred to as "Get & Transform Data").



It is a powerful yet simple way of getting, changing and using data from a broad variety of sources, creating steps which may be easily repeated and refreshed. I strongly recommend learning how to use Power Query - it's among the most powerful functionalities of Excel.



- Follow this link to learn how to install Power Query in Excel 2010 / 2013.



- Follow this link for an introduction to Power Query functionality.



- Follow this link for a video which demonstrates how to use Power Query code provided.

Ok. Not my forte. Will leave this for those who use advanced formulas. Good Luck.

Attach an example workbook

In G2, enter formula :

=SUMPRODUCT((E2:E17=F2)/COUNTIFS(E2:E17,E2:E17,A2:A17,A2:A17,C2:C17,C2:C17))