How to Group Data Using Power Query in Excel
Power Query’s Group By feature transforms raw transaction-level data into meaningful summaries by consolidating rows based on shared characteristics. Whether you need to sum sales by product, count transactions by customer, or calculate average prices by region, the Group By function enables you to reduce massive datasets to their optimal granularity level with just a few clicks.
This comprehensive guide covers all grouping methods, from basic summaries to advanced multi-column aggregations with custom calculations.
