Q. In your November Tech Q&A article on Excel’s Scenario Manager, you mentioned two other “what-if” tools: Goal Seek and Data Table. Can you show how those work like you did with Scenario Manager?

When working with Excel workbooks, choosing the right tool for data analysis and management is crucial. Two popular options available are OneDrive Copilot and Excel Copilot. While both tools offer ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee, ...

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.

In 2026, data analysis roles still depend heavily on two practical tools: Excel for cleaning, checking, and working through business data, and Tableau for turning that data into dashboards people ...