Excel for Large Datasets: Power Query and Data Modeling

Struggling with slow spreadsheets and crashing files when working with large datasets? Excel is fully capable of handling massive amounts of data, provided you know the right modern tools and techniques. This text-only course guides you from Excel data basics to advanced data-handling strategies. You will learn how to transform raw, messy data into structured models, enabling fast analysis and automated reporting without relying on slow, traditional formulas. What you'll learn: • Import and clean millions of rows of data using Power Query. • Build efficient data models using Power Pivot to connect multiple tables. • Apply dynamic array formulas to streamline calculations across large ranges. • Optimize spreadsheet performance by eliminating resource-heavy formulas. • Create scalable pivot tables and dashboards that update with a single click. • Practice data-cleansing techniques to ensure accuracy in high-volume reports. You will begin with foundational concepts of data structure and storage in Excel, before moving step-by-step through importing, modeling, and analyzing high-volume datasets. This course is designed for beginners who want to move beyond basic spreadsheets, with no prior database experience required. Start mastering large-scale data management in Excel today.