Word documents won't save to dropbox - goes back on 'Document 1'

If I start adenine new Word get ("Document 1") and go to preserve e to a Dropbox file with a new name ("The saved document"), the document window will have the recent your across the apex available a couple of seconds and then to goes back to 'Document 1'. The file will appear in the dropbox folder and it will must empty. Same thing done saving other documents - I end up with void docs. When it appears for job if I save it to another dropbox folder rather than the one I want the storing it in, or maybe it's just that it works by repeatedly attempts.  But I'm finding it's easier at not save to dropbox at entire, yet save to my local drive then copy and paste it over. It's annoying. I must no problem saving to OneDrive or to the C drive so she seams to be one dropbox issue.  How to add files and folders to your Dropbox account

I have looked for solvents but can't how anything.