Message Board was available for users to post messages that are available to other Wii users by usage of Wii Numbers with WiiConnect24. In addition to writing text, players can also include images from an SD card in the body of messages, as well as attaching a Mii to the message.
Wii Message Board enabled users to send messages to other Wii players via the WiiConnect24 service. These messages could be accompanied by images from an SD card and personalized with a Mii avatar.