javascript - Spring: open word/excel in the browser -

i'm developping web server based on springframework 4 , hope return files , open them directly in browser.

so far, succeed treat pdf using header content-disposition: inline. not working word/excel. google chrome proposes download later or download/open application.

so hope know

1. whether or not it's possible open them directly in browser
2. if yes, how that

as far know there no built in excel viewer browsers (ie different because part of windows, , office). pdf different story ... there loads of plug-ins available.

you might want consider opening in google docs, or office.com.

---

apparently, there plugin available firefox ... http://www.microsoft.com/en-gb/download/details.aspx?id=27106

but mean users have have installed them behaviour want!