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Fabulous Examples of Excel Functions: The COUNTIF Function - Advanced Topics. This advanced COUNTIF tutorial discusses the use of operators other than equals (=). For examples of how to use the COUNTIF function with the default value of equal and the use of wildcards (* and ?), see The COUNTIF Function - Basics. Dec 04, 2019 · The tutorial explains how to use COUNTIFS and COUNTIF formulas with multiple criteria in Excel based on AND as well as OR logic. You will find a number of examples for different data types – numbers, dates, text, wildcard characters, non-blank cells and more.