Lenovo signed a deal with Microsoft to preload Microsoft apps ... http://www.theverge.com/2016/8/23/1...ffice-skype-onedrive-android-devices#comments Not clear as to whether these apps can be removed if you do not use/want them. A very laconic announcement.
You can remove any app if you root a phone. However, hopefully they are not installed as system apps, so they can just be uninstalled without root acess needed.