Another name for Data Source is Recipients List.
The information is formatted in a Word table, and records are created to organize the individual pieces of information. The Data Source file contains information about persons, places or things. Mail Merge creates a third document or set of documents in a file which is the finished product of the merge.
Main Document Data Source Merged Document The Mail Merge function requires two files: a Data Source document and a Main Document. 1 1 Mail Merge in Word 2011 for Mac Introduction to Mail Merge Relationship between the Data Source and the Main Document Use the Mail Merge feature to create and manage a small database (Data Source) to populate preset fields in a Main Document (correspondence: letters and memos, mailing labels, reports, etc.) Combine the Data Source and the Main Document into a final Merged Document or file of documents.