Can Power BI connect to multiple data sources?
With Power BI Desktop, you can connect to many different types of data sources, then shape the data to meet your needs, enabling you to create visual reports to share with others.
How many data sources can Power BI connect to?
This limit applies to the Power BI service and to datasets Power BI Desktop uses. Power BI uses this limit to track the number of both columns and tables in the dataset, which means the maximum number of columns is 16,000 minus one for each table in the dataset. Data source user limit.