A common method for inserting text into a Microsoft Word document is cutting and pasting. This works well for short pieces of text. When you need to insert an entire document or a long section of a document, there is a quicker solution than cutting and pasting. The instructions in this article apply to Word for Microsoft 365, Word 2019, Word 2016, Word 2013, and Word 2010.
Word: Insert Text from File to Combine Word Documents by Chris Menard
With Word, you can add an entire document to your work in just a few quick steps.
Place the cursor where you want to insert the document.
Go to the Insert tab.
