The UNIQUE function in Excel 365 is designed to extract distinct values from a given range of data.

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions.

Input the ROWS function into that cell using the first and last cells of that column, not including the column heading. After that, you will know how many unique values are in that column.