Locating missing sequential numbers can be an arduous task when working with long lists of data. For example, you might want to locate business check numbers that haven't been logged into a balance ...

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 ...

In Microsoft Excel, you can permanently hide columns containing data you don't need to have on show. However, grouping columns is often a better way to achieve the same outcome, especially if you're ...