Explanation

Power Query is Excel’s data-import and data-transformation tool. It helps you bring data from different sources, clean and transform it, combine multiple datasets, and load the final result into Excel.

Power Query Workflow

Get Data → Transform → Combine → Load → Refresh

Common Uses

  • Import CSV/Excel files
  • Clean messy data
  • Remove duplicates
  • Change data types
  • Combine monthly files
  • Merge datasets
  • Append datasets
  • Create calculated columns
  • Refresh the process automatically

Practice

Open Excel and explore:

Data → Get Data → Launch Power Query Editor

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