Скачать или смотреть PRO TIP: Append Files from a Folder in Power BI | Automate Monthly Data Refresh

In this Power BI PRO TIP, you’ll learn how to append multiple files from a folder automatically using Power Query — one of the most powerful automation features in Power BI.

We’ll show how to combine monthly or daily Excel/CSV files, explain the Combine Files process, and demonstrate how new files are automatically included on refresh without changing your report.

This technique is widely used in real-world BI projects and is frequently asked in Power BI interviews.

📌 What you’ll learn:

Append files from a folder automatically

Understand the Combine Files process

Handle changing file counts safely

Clean and standardize files before appending

Best practices for scalable automation

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