If you've have lots of data and lots of analysis to do, but little time or skill, you need Excel's Power Pivot feature. Here's how to get started with it.

Pie charts are unique among the types of graphs Excel can make because they only work with limited sets of data. Unlike bar charts and line charts, two or more pie charts do not combine easily ...

You can combine two columns in Excel using several formulas and tools available in the software. Here's how to combine two columns in Excel.