The syntax for counting the number of unique values from a list of a column using the array formula is as follows: =SUM(IF(COUNTIF(<first cell from which you count the number of unique values>:<last ...

One major reason Microsoft Excel spreadsheets are so popular is the ability to process the data entered on a sheet easily. For instance, if you are planning a wedding and individually listing expenses ...

One of the most common requests I receive from users is how to identify duplicate and unique values in Microsoft Excel. The easiest way I know is to apply a conditional format. In a nutshell, a ...

Click on the heading of the column you want to evaluate for duplicates. Click and drag from one heading to the next to select more than one column. Hold down the "Ctrl" key and click to select columns ...