Suppose that you need to send each of your employees a letter containing personal tax withholding and salary information. Or perhaps you want to send a personalized form letter or email to each of your donors. Creating each letter individually would take hours, but using the mail merge function, all you have to do is create one document, add some placeholders, and Microsoft Word will combine the main document with your unique information to create a set of complete documents.

Suppose that you need to send each of your employees a letter containing personal tax withholding and salary information. Or perhaps you want to send a personalized form letter or email to each of your donors. Creating each letter individually would take hours, but using the mail merge function, all you have to do is create one document, add some placeholders, and Microsoft Word will combine the main document with your unique information to create a set of complete documents.