Hi Steve,

"Steve Prud'Homme" <sprudhom@gmail.com> writes:

> My first question is can I export these proprerties in a ODT or TXT
> file. Because by default they are hidded.

See C-h v org-export-with-drawers RET

> 2.
> My second question is if I want to use Abbrev to make a clocked-task.
> What shoud I write on my abbrev file if example I want that the
> org-clock-in start automaticly when I expand my Abbrev...

Maybe by advising expand-abbrev with org-clock-in?

HTH,

--
 Bastien