Microsoft Excel's UNIQUE function does exactly as its name suggests—it extracts unique values from an array. In other words, ...

There are a few ways to count the number of items in an Excel list, depending on the data you have. In this tutorial, learn how to count items in Excel using the COUNTIF and SUBTOTAL functions.

VLOOKUP has been the go-to function for looking up data in Excel for years, but it comes with limitations. You can only ...