Move to a new worksheet. Be sure that you have activated the Power Pivot add-in. Select POWER PIVOT > Manage to open the Power Pivot screen. Move to the Power Pivot for Excel screen. Select HOME > Get External Data > From Database and then select the option to connect to an Access database. Browse to the directory containing the ContosoSales database and select it. When the Table Import Wizard appears, select the DimChannel, DimProduct, and FactSales tables and click FINISH. After the import finishes, click CLOSE to close the Table Import Wizard. Go to Diagram View and make sure that the three tables are linked. Return to Data View and the FactSales table. Add a new calculated column on the right and calculate the month for the datekey field?