what is the use of data source and merge field in mail merge process

what is the use of data source and merge field in mail merge process. There are some references to what is the use of data source and merge field in mail merge process in this article. If you are looking for what is the use of data source and merge field in mail merge process you've came to the right place. We have posts about what is the use of data source and merge field in mail merge process. You can check it out below.

Showing posts matching the search for what is the use of data source and merge field in mail merge process