Excel spreadsheets do so much, from making lists to crunching numbers to acting as sophisticated flat-file databases. We’re creating this guide to make sure you master all the essentials and more.

Importing data into Excel from other sources can a real headache, especially if you’re copying and pasting from an Internet source. Data that’s exported from a mainframe; from another program such as ...

The Pareto Principle, also known as the 80-20 rule, is a powerful concept that can transform your approach to data analysis. This principle states that roughly 80% of effects come from 20% of causes.