Many people have Excel workbooks stored on their OneDrive for Business drive that would be great for use with Power BI Desktop. With Power BI Desktop, you can use online links for Excel files stored in OneDrive for Business to create reports and visuals.
Power BI: Use OneDrive for Business links
Power BI: Exploring DataCourse Course
Power BI: Exploring DataEst. length: 1: 05 Level: Level 2: Learn It
Power BI: VisualizationsCourse Course
Power BI: VisualizationsEst. length: 2: 05 Level: Level 2: Learn It