For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

Spreadsheets can quickly turn into chaotic messes of data if you're juggling multiple projects. While most people rely on basic dropdown filters, I handle almost every data management task with ...