You can insert a PDF into Word via the File, Open menu, which turns the PDF into an editable document, or as a non-editable image.

To embed or insert an audio or sound file in a Word document, Excel sheet or PowerPoint presentation, follow the steps mentioned in this tutorial.

How to Insert a Formatted Document Into a Word File. You may rely on Microsoft Word to prepare business correspondence, lay out documents such as annual reports or create marketing materials, but ...