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

If you are unfamiliar with inputting formulas into Microsoft Excel, the much simpler way to get the number of unique values in an Excel column is through a filter.

The easiest way to spot a unique value is to format it, and Microsoft Excel offers two ways to do so.

Learn how to count the number of unique and distinct values in a column based on data in another column using array in Microsof Excel.

How to Use Excel to Show Only Duplicate Values. Business issues such as incorrect transactions, data entry errors, technical glitches and poor system design may cause duplicate values in your data ...