In SharePoint 2013, I have the option to specify service accounts and whether they operate as "System". I am trying to do the same thing in SharePoint Online. When that account modifies a document, I want it to say "System Account" rather than the actual account name.
I have already updated the user account in the O365 Portal Admin and granted it the SharePoint Administrator but I am still seeing the actual account name referenced throughout the site rather than "System Account". Any suggestions?