It is possible to open old Word documents such as Word 2003, Word 2007, Word 97, etc., documents in the latest version of Word in the Protected View.

Learn how to open and edit Word document without Word. Convert to PDF, open in Google Docs and Dropbox, use browser to open, etc.

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.