Excel Data Preparation and Visualization

Raw data is rarely ready for analysis, often requiring hours of manual cleaning and formatting before you can extract any real value. This text-only course teaches you how to streamline this process, transforming messy spreadsheets into structured, analysis-ready datasets and professional visual reports. You will start with foundational concepts of data structure, learning how to identify and fix common data quality issues. From there, you will progress to automating your data workflows using Power Query, writing modern dynamic array formulas, and designing clean, interactive charts that communicate insights clearly. What you'll learn: - Understand the core principles of data hygiene and structured spreadsheet design - Clean and transform messy datasets efficiently using Power Query tools - Apply modern dynamic array formulas to manipulate and reshape data automatically - Connect and merge multiple data sources to build cohesive data models - Design clear, professional charts and interactive dashboards that highlight key insights - Practice data preparation workflows through step-by-step written exercises This course begins with essential definitions and data preparation fundamentals before moving into step-by-step transformations and visualization techniques. It is designed specifically for beginners who want to work smarter with Excel, with no prior data analysis experience required. Start building cleaner spreadsheets today.