EXS 24 Logic Sampler Users Group

>  I've heard several times about an EXS24 online-help. I go with exs
>since beginning, but I've never seen any online-documentation. Did I miss
>something?

Yes, it seems you did!
On Mac, I have a file called <EXS24 Guide> that works with the MacOS 
guide/help system. You then select EXS24 Help from the menu bar when 
Logic is running. (Don't know about PC help....)

Regards - Colin