On Facebook, the process to send a particular message to all your friends is the same as sending the message to one friend. But your message can be sent to only 250 members. In case you want to send a message to all your friends given on the menu list, then you have to create many groups on Facebook. Want to send a message to all friends on Facebook? Follow the instructions given in this article.
Type each friend's name and select your friends from the list that displays when you type. If you literally want to send a message to every friend on Facebook, you can do that quickly. Just type "a" and click a name, then keep typing "a" and clicking a name each time.