SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

Excel considers dates and times as numbers in cells, making calculation difficult. Excel processes 6 AM as "0.25," because it is one quarter of the way through the day. If you need to add a number of ...

Microsoft Excel is a useful tool for managing data sets large and small. But it can quickly turn frustrating if you're unsure how to get the desired outcome to sort your spreadsheet with so many menu ...