Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
File, Print, Expand the printer drop down, click "Advanced Output settings", click the Printer setup wizard. Go through the duplex steps. Go back to the print page, select print on both sides.
The easiest way is to print the current page, go to page two, manually turn the card over, print current page again.
Mary Sauer http://msauer.mvps.org/