I believe this may also be dependent on whether you're on a personal machine or enterprise network. My Edge start page has a gear with the Page Layout options (

I believe this may also be dependent on whether you're on a personal machine or enterprise network. My Edge start page has a gear with the Page Layout options (Focused, Inspirational, Informative) and also radio buttons for Page Content with a choice between Office365 and Microsoft News. My default displayed Office365 (recent documents opened list) without any of the MS News agg tiles.