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Power Query is a powerful tool in Excel that enables users to connect, combine, and refine data from various sources. It simplifies the process of data transformation, making it essential for analysts and data professionals. Key Features of Power Query: Data Connectivity : Power Query can connect to a variety of data sources, including databases, web pages, Excel files, and cloud services. This flexibility allows users to import data from multiple sources efficiently. Data Transformation : Users can perform a wide range of transformations on their data without writing complex formulas. Common transformations include removing duplicates, filtering rows, changing data types, and pivoting/unpivoting data. Query Editor : The Query Editor provides a user-friendly interface to apply transformations. Users can see a preview of their data, making it easier to identify issues and make adjustments. M Language : For advanced users, Power Query uses a formula language called M, w...