Search Knowledge Base: Joining a Microsoft Team Using a Code for Students Instructors can create Microsoft Class Teams to interact with students. In a Microsoft Class Team, you can upload assignments, chat with your class or group, or chat with your professor. If you are asked to join a Team using a Code, do the following: To join a Class Team, log in to Office 365. Choose Teams from the Apps. (If you have not previously used Teams, you may need to select All Apps first.) Once you are in Teams, go to the Teams icon on the sidebar. In the upper right corner, choose Join or create a team. After selecting the Join or create a team button, a box will appear with several options. Choose Join with a code. When logging back into Microsoft Teams, you can locate your Classes (Teams) by selecting the Teams icon in the sidebar. If you don't see your class load automatically, select All teams or Your Teams to the right of the chat button and all the Teams you have joined will populate. Need more help?