[Orgmode] external link to openoffice.org file

[Christoph Herzog]

Having a poor understanding of emacs because I started to use it with 
org-mode recently, I wonder whether there is a better way to make 
external links to openoffice.org files than
[[shell: ooffice -writer /path/to/document.odt]]

I also wonder whether it is possible to attach other than 
emacs-compatible files?

Christoph