Insert an existing Word document into a master document
- Open the master document and click Outline on the View menu.
- If the subdocuments are collapsed, click Expand Subdocuments on the Outlining toolbar.
- Click where you want to add the existing document.
Make sure to click a blank line between existing subdocuments.
- On the Outlining toolbar, click Insert Subdocument .
- In the File name box, enter the name of the document you want to add, and then click Open.
Microsoft Word inserts a next page section break before the subdocument and a continuous section break after it.