I create a SPO team site with New Experience. After migrating a SP2007 site to it with Content Matrix, overriding the new site, I see the classic theme. How wo I enable/bring back the New Experience for the root site.
I create a SPO team site with New Experience. After migrating a SP2007 site to it with Content Matrix, overriding the new site, I see the classic theme. How wo I enable/bring back the New Experience for the root site.