Excel's logical functions test whether a statement or data is true or false, before enabling the program to carry out an action based on the result. They are useful for analyzing data, automating ...

The Not function in Microsoft Excel is a built-in Logical function, and its purpose is to reverse the logic of its argument. It ensures that one value is not equal to another.

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

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.