office web apps

http://technet.microsoft.com/zh-cn/library/ff431687.aspx

http://www.cnblogs.com/erucy/archive/2012/07/18/2596675.html

http://www.cnblogs.com/erucy/archive/2012/07/22/2604056.html

http://www.cnblogs.com/erucy/archive/2012/07/24/2605824.html

http://office.microsoft.com/zh-cn/web-apps-help/HA010380116.aspx

 http://www.cnblogs.com/poissonnotes/p/3238238.html