Explanation
This expresses the idea of 'not only...but also', 'not stopping at...'.
Formation
Noun + にとどまらず + Noun + も
Detailed explanation
This grammar point is used to express that something is not limited to just one thing (the thing before にとどまらず), but also includes other things (the thing after も). It can be translated as 'not only... but also...' or 'not stopping at...'.
Examples
Kono apuri wa, nihongo ni todomarazu, hoka no gengo mo sapooto shite imasu.
This app not only supports Japanese, but also other languages.
Kare wa, ongaku ni todomarazu, eiga seisaku ni mo kyoumi ga aru.
He is not only interested in music, but also in filmmaking.
Kare no eikyou wa, kazoku ni todomarazu, chiiki zentai ni mo oyonde imasu.
His influence extends not only to his family but also to the entire region.
Kanojo no sainou wa, kaiga ni todomarazu, bungaku ni mo oyobu.
Her talent extends not only to painting, but also to literature.
Practice
Grammar content sourced from hanabira.org.