Power Query w Excelu – kompletny poradnik krok po kroku

➡️Free Power Query Course https://poczujexcel.pl/power-query-da... If you do repetitive things in Excel—importing data, cleaning tables, merging files, and preparing reports—Power Query will completely transform your workflow. In this video, you'll walk through Power Query in Excel step by step, using a practical example of order data. You'll see how to automatically retrieve, transform, and quickly create reports and summaries. ➡️ Power Query Basic Course https://poczujexcel.pl/kurs-power-que... 📁 Download the files and work with me https://poczujexcel.pl/power-query-w-... 📌 In this video you will see: 0:00 Introduction 0:40 Importing data into Power Query 1:35 What Power Query looks like 3:02 Transforming in Power Query 6:43 Loading data from Power Query into Excel 7:42 Refreshing data in Excel 9:18 Grouping data in Power Query 12:20 Filtering in Power Query 13:17 Error correction and steps Power Query 3:41 PM Power Query Conditional Column 4:56 PM Merging Data in Power Query 8:34 PM Power Query Pivot Column 10:42 PM Summary and Conclusion #powerquery #powerquerytutorial #excel