Question

What is main document​

Answer 1

Answer:

A main document contains the text and other items that remain the same in each label. A data source contains the information that changes in each label, such as the name and address of each recipient. Merge fields that you insert into the main document instruct Word where to print information from the data source.

I hope this will help you and then follow me

Answer 2

A main document contains the text and other items that remain the same in each label. A data source contains the information that changes in each label, such as the name and address of each recipient. Merge fields that you insert into the main document instruct Word where to print information from the data source.