A family of Microsoft word processing software products for creating web, email, and print documents.
If you can not share the document, then all I can suggest is that you copy everything EXCEPT the final paragraph mark and paste it iñto à new document and if that does not overcome the problem, try copying and pasting first, one half of the document and then the other, to identify the location of the problem, and then repeat the process with smaller and smaller parts to isolate the problem.