Beginners Guide to Data Transformations in Power Query
Learn how Power Query imports, cleans and reshapes data in Excel and Power BI, so you can build repeatable data preparation steps instead of fixing spreadsheets by hand.
Speaker
Markus Ehrenmueller-Jensen
Power BI and data platform consultant · Savory Data · Microsoft Data Platform MVP
Overview
Power Query lets you import, clean, reshape and combine data in Microsoft Excel and Power BI without complex formulas or macros. This beginner-friendly 60-minute Power Query webinar explains the Extract, Transform and Load (ETL) process and what Power Query does behind the scenes.
You'll see how queries relate to source data and output tables, find your way around the Power Query Editor, and try the transformation techniques used most often in everyday reporting.
Practical demonstrations and real-world examples help you prepare clean, reliable datasets for analysis, so you leave with the core concepts you need to start using Power Query with confidence.
Why attend: If you spend time each week or month cleaning spreadsheets, copying data between files or repeating the same preparation steps, Power Query offers a faster and more reliable way. It automates repetitive transformations, cuts manual errors and creates repeatable processes that improve data quality. The session suits Excel users, business, financial, operations and other analysts, finance professionals, office administrators, and Power BI or BI beginners who prepare or clean data.
What’s covered
- Introduction to ETL concepts
- How Power Query works
- Source data vs query vs output tables
- Importing data with the Navigator
- Previewing data before loading
- Load vs Transform Data options
- Tour of the Power Query Editor
- Queries pane and Query Settings
- Applied Steps explained
- Managing data types
- Creating basic custom columns
- Merge vs Append explained
- Query dependencies
- Refreshing queries
- Connection Only vs loaded tables
- Close & Load options
- Beginner best practices and common mistakes
Who should attend
What you get
About the speaker
Markus Ehrenmueller-Jensen is a Microsoft Data Platform expert, trainer, and consultant specializing in Power BI, Microsoft Fabric, SQL Server, and data analytics solutions. With many years of international consulting and training experience, Markus helps organizations and professionals better understand modern data technologies and turn data into actionable insights.
He is well known in the global Microsoft data community as an international conference speaker, author, and educator, regularly presenting at events, user groups, and technical conferences worldwide. Markus focuses on making complex technical topics understandable and practical, helping attendees bridge the gap between theory and real-world implementation.
His areas of expertise include Power BI, DAX, Data Modeling, Microsoft Fabric, SQL Server, Azure Data Services, and Business Intelligence architecture. Through his engaging and practical presentation style, Markus empowers attendees to build confidence and deepen their technical understanding.
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