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How to Fix Data Source Path in Power BI: Step-by-Step Guide

If you're encountering data source path errors in Power BI, this guide will help you resolve them quickly and efficiently. Here are four methods to fix and update your data source path:

1. Using Applied Steps in Power Query
• Open the Power Query editor by clicking on Transform Data in Power BI.
• In the right-hand pane under Query Settings, locate the Applied Steps section.
• Click the gear icon next to the Source step.
• Update the file path in the dialog box that appears and click OK.

2. Data Source Settings
• In Power BI, go to Home - Data Source Settings.
• Select the data source you want to update and click Change Source.
• Browse to the new file location or enter the updated path manually. This method updates all queries linked to this source.

3. Editing M Code Directly
• In the Power Query editor, enable the Formula Bar by going to View - Formula Bar.
• Locate and edit the file path directly in the M code shown in the Formula Bar or open the Advanced Editor - under View or Home tabs to make changes.

4. Using Parameters for Dynamic Paths
• Create a parameter for the file path:
o Go to Home - Manage Parameters - New Parameter.
o Define a parameter for your file path and set its value.
o Replace the hardcoded file path in your query with this parameter. This allows easy updates by simply changing the parameter value.

Additional Tips
• Ensure all collaborators have access to the updated file path. Using parameters can simplify collaboration by allowing each user to customize paths locally.
• If multiple queries use the same source, updating via Data Source Settings ensures consistency across all queries.

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