OK..
http://wiki.zimbra.com/index.php?title=Translations
in above website have the message files, AjxMsg.properties, ZMsg.properties, ZaMsg.properties, ZmMsg.properties, ZsMsg.properties,
when i click into, for example
AjxMsg.properties , then i can see AjxMsg.properties , AjxMsg_de.properties, AjxMsg_fi.properties that all AjxMsg_xx.properties pattern files.
i also need copy those to msg folder?