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 ...

Python has made using Microsoft Excel much easier than it has ever been, and it isn't very hard to start using it yourself.

How to use the UNIQUE() function to return a count of unique values in Excel Your email has been sent The TechRepublic article How to create a sorted unique list in an Excel spreadsheet shows you how ...