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.

For many, the INDEX-XMATCH combination in Excel is the go-to method for retrieving a value from a dataset. However, you can ...

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

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.

In Microsoft Excel, learn how to report time values by the hour using the underlying date serial value.

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.