How to sign in to Office 365 to check your email:
Use your Launchpad username and add @richmond.k12.ga.us to the end of it.
Use your Launchpad password.
After you log in and check your email, go to the top right corner next to where it says Outlook and click on the 9 dots. Then select the app Teams. Explore this app. Check it out and try sending me a message on Teams! :)