How to Use Mail Merge. When you need to mail copies of the same letter to multiple recipients, create custom envelopes or labels to mail to various contacts or you want to make a mass email sound ...

A mail merge from Excel to Word isn't the only way you can pull data from another document into Word. The software has a feature that will allow you to merge multiple files into one.

You can do a mail merge in Microsoft Word and Excel to create personalized documents for many recipients at once.