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.

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.

If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.

Harness the power of Subtotal in Excel to count grouped items Your email has been sent Excel's Subtotal feature can render quick results when you need simple grouping calculations. Susan Harkins shows ...