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.

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.

Sparklines are small charts that fit into a single Microsoft Excel cell. But if you're tracking non-numeric data, they can exhibit weird behavior. Learn how to avoid problems when using sparklines.

Microsoft Excel allows you to crunch massive quantities of data easily through the use of functions. Sometimes you need to know the number of actual data points without counting blank cells.

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.