Microsoft Excel's UNIQUE function does exactly as its name suggests—it extracts unique values from an array. In other words, you'll only see each value once in the result, even if it appears multiple ...

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 ...

When counting unique values in Microsoft Excel, use UNIQUE() as a helper function and avoid more complicated expressions. The TechRepublic article How to create a sorted unique list in an Excel ...