Master your data and transform your workflow with Power Query! This book provides a comprehensive guide to data cleansing using Power Query in both Excel and Power BI. Learn to leverage Power Query to automate repetitive tasks, extract data from various sources, and transform it into a usable format. Discover techniques for handling data types, errors, and query optimization, and unlock the power of M language. Perfect for Excel and Power BI users looking to streamline their data analysis processes.