The Review 1099s Before Printing window allows you to review information about each of the Form 1099s you selected in the Forms Selection - Print 1099s and 1096 window, enter the number of 1099s you wish to print for each vendor, as well as choose specific 1099s to print. You can also open the 1099 Vendor Information window from this window, where you can change specific information that will appear on vendors' Forms 1099.