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.

There are a few ways to count the number of items in an Excel list, depending on the data you have. One way is using the COUNTIF function.

Freezing a row in Microsoft Excel or Google Sheets can organize your spreadsheet and make sorting through data a breeze. Here's how to do it.

In Excel 2003, Subtotals is on the Data menu. In the resulting dialog, choose Count from the Function dropdown. Click OK and Excel will display a subtotal for each date in the Due column.

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.