You can view a user in your account and send a message to the user.
The message link connects to your Conversations Inbox, which you can also use to message a user directly.
In Global Navigation, click the Admin link , then click the name of the account .
In the sidebar, find the user by viewing users in a specific term  or searching for a user directly .
Canvas redirects you to the Conversations Inbox, where you can compose your message to the student.
When you are finished, click the Send button.