Thankfully, Microsoft Excel's COUNTIF formula swoops in to save the day. It lets you count cells based on specific text or conditions, turning your spreadsheet chaos into organized data magic.

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.

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 want duplicate values to stand out in an Excel spreadsheet, you can choose between two conditional formatting rules.