Q. On my Excel Home tab, there is an icon called Ideas. What is this, and what does it do? A. Considering how incredibly simple it is to use the Ideas tool, it is almost shocking how powerful it is.

By dividing (/) the running total by the sequence number, Excel returns the average of all the values from the start to the ...

Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a million rows. As a result, they can significantly slow your workbook's ...