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 ...

Data analysis can feel like a daunting skill to master, especially when you’re staring at a blank Excel sheet, unsure of where to begin. Whether you’re a student, a professional looking to upskill, or ...

Have you ever stared at a massive spreadsheet, unsure how to turn that sea of numbers into something meaningful? You’re not alone. Despite Excel being one of the most widely used tools in the world, ...

The unsung hero of project management ...

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?

Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain ...

Q. You explained Excel’s Scenario Manager in your November 2024 Tech Q&A article and Goal Seek in your December 2024 Tech Q&A article. Can you please explain the final What-If Analysis tool: Data ...

Many learners start with Excel to clean data, organize sheets, and understand reporting basics. Tableau becomes useful once ...