Power BI vs Excel: Which To Use For Business Reporting

Excel has been the go-to tool for data analysis and reporting for decades.

But with the rise of modern BI tools like Power BI, professionals now have more options than ever.

So how do you decide when to use Excel and when to switch to Power BI? Let’s break it down.

Title image 1, reads

1. Understanding the Core Differences

Excel is a versatile spreadsheet application perfect for ad hoc calculations, small-scale data work, and personal productivity.

Power BI, on the other hand, is a dedicated business intelligence platform built for transforming, analysing, and visualizing large and complex datasets.

Think of Excel as a Swiss Army knife for data tasks, while Power BI is more like a specialized dashboarding and data storytelling engine.

Microsoft Trainer Insight:

In our experience training thousands of professionals, Power BI consistently outperforms Excel when it comes to large-scale, business-wide reporting.

If you are picking one to learn for career development, we would definitely recommend Power BI.

Title image 2, reads

2. Data Volume and Performance

Excel can slow down significantly with large datasets (especially over a million rows).

Power BI is on the other hand optimized for high-performance analytics on big data.

It uses a powerful data engine (VertiPaq) to compress and process large datasets efficiently.

Title image 3, reads

3. Data Modelling and Relationships

Excel supports basic data tables and lookups, but Power BI allows for relational data models.

You can build star schemas, define complex relationships, and control filter context through DAX calculations.

This structure supports robust reporting and interactive dashboards without duplicating or flattening data.

Title image 4, reads

4. Visualization and Storytelling

While Excel has charts and pivot tables, Power BI is designed for advanced data visualization and storytelling.

With unique visualisations like bullet charts, drill-downs, and cross-filtering, Power BI offers a more dynamic and user-friendly interface for exploring insights.

If your goal is to create an engaging, interactive report, Power BI is the better choice.

Title image 5, reads

5. Collaboration and Sharing

Power BI makes sharing insights across teams and departments seamless through Power BI Service, enabling report publishing, role-based access, and cloud collaboration.

Excel sharing often relies on email attachments or cloud storage links, which can lead to version control issues.

For modern, collaborative analytics, Power BI clearly has the edge.

If you need something even more advanced, check out the differences between Power BI and Microsoft Fabric, and you might just find what you’re looking for!

6. Use Cases: When to Use What

Use Excel when:

  • You’re performing quick, manual calculations.
  • Working solo on smaller datasets.
  • You need flexible formatting and printing.

Use Power BI when:

  • You need live dashboards and reports.
  • You’re collaborating across departments.
  • Your data comes from multiple sources and requires modelling.

Final Thoughts

Excel remains a critical tool for many business tasks, but when it comes to professional-grade reporting, collaboration, and scalability, Power BI is the clear frontrunner.

Most modern data professionals use both – Excel for flexibility and Power BI for impact.

Excel is however easier to learn by yourself, while people tend to need Power BI courses to become proficient.

By knowing each tool’s strengths, you can pick the right one for every scenario and build reporting solutions that drive smart decisions.

About Ben Richardson

Ben is a director of Acuity Training which he has been running for over 10 years.


He is a Natural Sciences graduate from the University of Cambridge and a qualified accountant with the ICAEW.


He previously worked as a venture capitalist and banker and so had extensive experience with Excel from building financial models before moving to learn SQL, Microsoft Power BI and other technologies more recently.