Before we get started, I have one request. When you're working in Excel, follow these six steps — make them your standard approach. First, decide what you want to do. Then think through the steps. Predict what the result will be. Execute carefully. Check the result. And if it's not what you expected, Undo without hesitation. This cycle is the foundation that will help you work independently.
Why is this approach so powerful? Because you can move forward even when you don't know the exact method