Microsoft Office is a client and service software developed by Microsoft. It is a combination of different software that includes Microsoft Word, Excel, Access, Powerpoint etc. It Also includes some more productivity services that enable online. To access all those software you need to subscribe to Office 365. Office 365 subscription plan comes with home and office. However, Office 365 office comes with some more features such as Skype for business and web conferencing and one drive with additional online storage.