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 ...

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.