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.

Combining UNIQUE with COUNTA allows you to count the number of unique entries in a dataset. Dynamic array formulas in Excel 365 enhance the flexibility and efficiency of the UNIQUE function.

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

How to combine values into a single cell using TEXTJOIN () in Excel Microsoft 365, Excel 2019 and Excel for the web support the function, TEXTJOIN ().

Click the "Count" option to place a checkmark next to it. Click one of the column headers in the document that has values. The word "Count" appears in the status bar's bottom right corner.