> D.Faure wrote
> 
> > Do you have the slightest hint about KOffice ?
> > Before throwing ideas around, why not first have a look at what you're
> > talking about ?
> > 
> > KOffice has been using XML since the beginning !
> > 
> Thanks for your very nice and polite way of hinting an unexperienced user.
> As Iīm a *user*, not a programmer, I didnīt peek into the files stored.

You didn't have to peek into files to find that out.

http://koffice.kde.org/faq/faq-5.html#ss5.3

"5.3 What data format does KOffice read and write natively?"

--
David Faure
faure@kde.org - KDE developer
david@mandrakesoft.com - Mandrake
david.faure@cramersystems.com - Cramer Systems