Sending out mass emails in Gmail is easy with the contact groups feature, but if you want to customize each email individually, you'll need to run mail merge. Mail merge allows you to create ...

Mail merges are a means of using fields to create multiple copies of a document. They got their name because one of the most common uses for the tool is to address letters to different destinations.

With Word's mail merge feature, you can generate personalized documents, like mailing labels, with a mass import from Excel. AleksandarGeorgiev/Getty Images It's surprisingly easy to set up a mail ...