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

Adding a running total to a simple Microsoft Excel revenue sheet isn't difficult, but adding a conditional running total will require a bit more effort. Solutions are simpler than you might think.

The Excel OR function is a logical function and its purpose is to determine if any condition you test is True. Learn its Formula & Syntax.

How to Add Payroll Hours & Minutes in Excel. 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 ...

Excel 2007's new Editing, Fill, Justify feature makes it easier to arrange text into a more readable layout.