In this tutorial, we introduce an easy way to view ms office documents online.
Here is an api
http://view.officeapps.live.com/op/view.aspx?src=file_url
So if you have a url of document, you can view it online.
For example, you open link below and you will find.
https://view.officeapps.live.com/op/view.aspx?src=http%3a%2f%2fvideo.ch9.ms%2fbuild%2f2011%2fslides%2fTOOL-532T_Sutter.pptx
