Getting viable data from an Excel workbook into Power BI for data visualization purposes takes some specific preparation. Here is what you need to do.

Importing from an Excel file saved to OneDrive is one of the easiest choices, so I saved my Excel file, PBIImportFromExcel_SourceFile.xlsx, to OneDrive. The data is in a Table named TableSales.

Data from the Excel file appears. The data needs to be cleaned and formatted before loading into Power BI. Click on the Transform Data button, as indicated by the bottom red arrow in the “Transaction ...