Thanks to you all but i need do to that on an entire folder, i should use a
vba macro and i don't know how to do that.
I tried to let a message on others newsgroups but i can't find the code...

"Brian Tillman" a écrit dans le message de
...
Olivier wrote:

I would like to get back mail adresses from mails i've received in
order to make a reply on them with a mail already written.
Could you help me?

Open the message containing the address you want to include, select that
address, right-click and choose Copy. Move the the recipient field on the
messahe you wish to send, right-click and choose Paste.
--
Brian Tillman