How to Create mailing labels in Microsoft Word 2007 ... WonderHowTo. In this first demo of a 4-part series, learn how to set up labels for mass mailings using the Mail Merge feature in Word 2007. In this second demo learn how to select recipients to be part of the mass mailings by using a Microsoft Office Excel 2007 worksheet as the data source. You will also learn how to refine the recipient list ...