Most spreadsheet problems come from static cell ranges—Excel tables replace them with dynamic, self-managing data structures.

You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of your worksheet. The sum of a column of zeros ...

Design is best, but when you’re stuck with an existing data structure, it helps to know how to work around trouble. Susan Harkins explains. Excel sheets grow — sometimes by adding new functionality, ...

Don't panic—your Excel isn't broken. If your column letters suddenly turn into numbers, you've stumbled into R1C1 mode. While it looks like a glitch, it's actually a high-level tool that lets you ...

What if you could write Excel formulas that practically think for themselves—automatically adjusting to changes in your data without endless tweaking? With the introduction of the dot operator and the ...