NOTE: Select AD FS only if you want to use claims rules to restrict access to %BRAND_OFFICE_365_SHORT% outside of the internal ...

NOTE:  Select AD FS only if you want to use claims rules to restrict access to %BRAND_OFFICE_365_SHORT% outside of the internal network. This is a more advanced set up that isn't covered here. For more information, see Plan to Publish Applications using AD FS Preauthentication.