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 ...

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel’s FILTER() function. There are a number of ways to highlight duplicate values.

You’ll need more than one trick up your sleeve to find duplicates in Microsoft Excel. In the duplicate world, definition means everything. That’s because a duplicate is subjective to the context of ...

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 ...