Multiple Condition and get the unique data

Hello All

I would like to ask what is the correct formula on how to get the unique count of Entity ID based on the condition:

Get the total count of Entity id based on specific week, High Severity and ABC KPI. I have attached the expected result.

Thank you in advance.


Original title: Count ifs formula

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Have you considered a Pivot Table which analyses your data much more efficiently?

You show a rather old Excel 2010 version. If you really do need formulae then Excel 365 offers you additional functions which would probably be useful.