how to open excel or word file in my web application using any tool

I display some list of word and excel files with the help of icons from my cloud storage in my web application. when user click on word or excel file icon. it is possible to open in word or excel spread sheet like google drive? so please suggest me any third party tool or API with the help of that i can achieve this functionality. file not open in system desktop application. user stay on my site and open the file like in google drive. i have share the screen shot of my web application with list of file gives you better idea related to it. My application is build in node.js.list of files on my web application.