You can use Power Query (formerly called Get & Transform) experience to connect to multiple data sources, then use the Query Editor to shape and transform data.
Import data from external data sources
Refresh an external data connection in Excel
How data journeys through Excel
Available chart types in Office
Present your data in a Gantt chart
Create a PivotTable to analyze worksheet data
Use multiple tables to create a PivotTable
Calculate values in a PivotTable
Format PivotTables by using the Field List to arrange fields
Change the source data for a PivotTable