This article describes how to identify which data source is used by a Power Query or a Power BI file.

In Excel, from the main menu, click on Data->Queries and connections

Double click on any of the visible objects in the Queries section; the Power Query editor will open.

Click on Data source settings

the following panel will appear

The table shows the possible values which can appear in the data source panel and related information on data refresh rate.

If you are using a Power BI report, from the main menu click on Transform data-> Data source setting

the following panel will appear

The table below shows the possible values which can appear in the data source panel and related information on data refresh rate.