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Excel

Excel Power Query: The Ultimate Guide to Data Transformation

Power Query is Excel's most powerful tool for data preparation, enabling you to clean and transform data with a few clicks.

Why Use Power Query?

Traditional data cleaning is time-consuming and error-prone. Power Query provides a repeatable, auditable process for data transformation.

Key Features

  • No-code data transformation
  • Support for 100+ data sources
  • Automatic refresh capability
  • M language for advanced transformations

Common Transformations

M Language Example

Combine first and last names

= Table.AddColumn(#

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