CTRL+Space will set the manually formatted text to the underlying paragraph style.

Word is a style based application. Trying to avoid using styles is hampering your document editing. If you create (or edit) styles that have the formatting you require for the various types of paragraph, you will find reformatting much easier.

__________________
Graham Mayor - MS MVP (Word) (2002-2019)
Visit my web site for more programming tips and ready made processes www.gmayor.com