Learn the secret to building interactive Excel reports with slicers and disconnected tables—no PivotTable needed for dynamic filtering.

The SUMIFS function works in a similar way with text as with numbers, but there are two key differences. First, text in Excel ...

Array formulas let you perform calculations across entire ranges of data in a single formula. Hence, you can handle lightning-fast lookups, filtering, and sorting with just one po ...

Mark Strassmann is CBS News' senior national correspondent based in Atlanta. He covers a wide range of stories, including space exploration. Strassmann is also the senior national correspondent for ...