This was suggested by one of my ODM users and promptly seconded by others. I did open a pmr to ask about this and was told it is not supported and suggested posting the idea here.
Our requirement is to download the actual decision tables(Excel Format) and work on the changes that we need and upload the same file to the same location.
NOTICE TO EU RESIDENTS: per EU Data Protection Policy, if you wish to remove your personal information from the IBM ideas portal, please login to the ideas portal using your previously registered information then change your email to "firstname.lastname@example.org" and first name to "anonymous" and last name to "anonymous". This will ensure that IBM will not send any emails to you about all idea submissions