Microsoft Excel is the go-to if you want to calculate a lot of data all at once, but even outside of basic math, you can use the app to find specific info.

If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.

When counting unique values in Microsoft Excel, use UNIQUE() as a helper function and avoid more complicated expressions.

Specifying the conditional count of a value sounds like a daunting task, but two Excel functions make quick work of this challenge.