one drive cannot enter password

LibreOffice MacOS 10.13 (hi sierra). Cloud drive: OneDrive. Question: How do I enter my user name & pw, in LibreOffice->open remote file dialog? The u/n & pw fields are greyed out. Do I need to supply some authentication to LibreOffice or login as su? Thanks.

It appears there have been issues with OneDrive for quite some time. See tdf #62437