Microsoft 365 Copilot AI can Replace Power BI Optimization Efforts Today!
For years, fixing slow, inefficient Power BI reports required deep expertise, and days or weeks of work. In this video, I show real-world proof that AI is now capable of doing much of that effort—faster, cheaper, and at scale.
Using nothing but Power BI Desktop and Microsoft 365 Copilot, I demonstrate how you can:
Detect architectural and DAX inefficiencies
Optimize Power BI semantic models and Power Query
Dramatically improve refresh times and report performance
Reduce compute costs and human effort by orders of magnitude
No custom MCP servers.
No extra tools.
No public repos.
Just Power BI Desktop + M365 Copilot.
What You’ll See in This Video
How M365 Copilot reads PBIP-based semantic models and Power Query code
AI-generated, consultant-grade assessments of Power BI inefficiencies
A step-by-step, paint-by-numbers optimization plan created by Copilot
Real performance wins: 45% faster refresh times. 25% faster report rendering. 79% PBIP file size reduction.
Tasks that once took 16–40+ hours can now be done in under 2 hours. I intentionally built a terrible Power BI model (many-to-many relationships, bad DAX, inefficient ETL, no Date table, duplicate dimensions, etc.) the exact kinds of issues I see every day in the real world and let M365 Copilot analyze and fix it.
Why This Matters
This isn’t “AI on the roadmap” or future hype.
This is AI delivering deflationary impact today:
Fewer expert bottlenecks
Lower consulting costs
Faster delivery cycles
Reduced compute usage
It also has huge implications for the future of the analytics workforce—a topic I cover near the end of the video through the lens of a K‑shaped economy.
What You Need to Follow Along
Power BI Desktop
Microsoft 365 Copilot
Intermediate Power BI skills
That’s it.
All prompts, documentation, and example reports are linked in the blog post below.
Links & Resources
Blog post (includes all Copilot prompts & reports): https://gregbeaumont.com/2026/03/08/u...
Book referenced: Power BI Machine Learning and OpenAI (Packt Publishing) - https://a.co/d/0058LKaF
Connect with me on LinkedIn: / gregbeaumont
If You Found This Useful
Like the video
Subscribe for more real-world AI + analytics examples
Drop a comment with ideas or questions for future videos
#PowerBI #Microsoft365Copilot #AIAnalytics #DataEngineering #DAX #PowerQuery #SemanticModels #BusinessIntelligence #AITransformation #AnalyticsFuture #microsoftai
MENU
00:00 Intro
03:40 Power BI solution for demo
04:16 Problems with Power BI report
05:51 Reading Power BI PBIP with M365 Copilot
07:30 Running prompts for M365 Copilot
09:20 Examples of improvements due to M365 Copilot
11:14 Results from Optimizations
13:49 Thoughts on AI and Analytics workforce