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 ...

The smartest thing Excel does happens in places you can't see.

Q. Is it possible to sort a column in Excel using formulas rather than the Data tab’s Sort tool, so the sort process is performed automatically as I update my data? A. Excel has announced a new ...