What is purpose of a Main Document?

A Main Document serves as the primary template in a mail merge process, containing the standard content that will be sent to multiple recipients. It typically includes placeholders or fields that will be populated with personalized information from a data source, such as names and addresses. This allows for efficient creation of customized documents, like letters or labels, while maintaining a consistent format. Overall, the Main Document streamlines communication and enhances personalization in bulk correspondence.