according to can also be used to attribute a quote or saying:
according to cyril connolly, lazy people often find it difficult to stop working once they've started.
you can't do that with "in accordance with".
in accordance with can be used to show that some phenomenon is consistent with some principle: in accordance with the principles of classical liberalism, the debate moderators allowed the expression of all points of view, from the mundane to the absurd.
you can't do that with "according to".
according to cyril connolly, lazy people often find it difficult to stop working once they've started.
you can't do that with "in accordance with".
in accordance with can be used to show that some phenomenon is consistent with some principle: in accordance with the principles of classical liberalism, the debate moderators allowed the expression of all points of view, from the mundane to the absurd.
you can't do that with "according to".