Product IDs, serial numbers and other reference numbers require a unique identifier to avoid confusion when referencing a product or specific data point. Although you can manually enter unique numbers ...

Microsoft Excel helps you find duplicate values and identifies these cells with a color marker on your worksheet. This formatting lets you avoid the tedious task of manually scrolling through a large ...

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.

To edit a drop-down list in Excel, you can use a number of tools depending on how you created the list. Here's what you need to know.