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Practical tutorials from Isaac — covering Excel, productivity tools, and the skills that actually matter at work.

Free Training · Verken
How to Build Interactive Excel Dashboards

Excel · Verken
How to Master Any Excel Function and Formula | The Ultimate Guide

Excel · Verken
How to Create an Invoice in Excel | Step-by-Step Tutorial

Productivity · Verken
Stop Manual Entry — Do This Instead

IT Tips · Isaac
What is Taking Up So Much Space on My PC? How to Clean Up Windows

AI Tools · Isaac
The Secret to Mastering ChatGPT: Here's What You Need to Know
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From the Blog
Worth Reading
Practical articles on Excel, data analytics, and the tools professionals use every day.
June 2025
Is Excel Still Worth It in 2025?
AI tools can analyze data quicker than Excel — and honestly, there are more robust tools out there too. So is Excel still worth learning? The answer is more nuanced than you'd expect.
Read article →November 2024
Mastering Power Query: 9 Best Practices for Clean, Efficient Data Transformation
Power Query is one of the most powerful tools in Excel and Power BI. But without good habits, your queries become slow and hard to maintain. Here's how to do it right.
Read article →November 2025
AI Can Sound Confident… Even When It's Wrong (A True Story About DAX)
Something happened during a DAX teaching session that made me pause. AI gave a confident, detailed answer — and it was completely wrong. Here's what that means for you.
Read article →Ready to Go Deeper?
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