Next, select one or more contacts (hold down the Command key on your keyboard and click on each desired contact to select multiple contacts at the same time). Here’s how.įirst, launch the Contacts app, which is located in your Dock by default or in the Applications folder on your Mac’s system drive (you can also search for it with Spotlight if you’re having trouble locating it). But if you’re using OS X, you can quickly print basic envelopes, labels, and mailing lists directly from the Contacts app. When most users think of printing envelopes and mailing labels using their computer, images of custom software and Microsoft Word plugins frequently come to mind.