In order to collaborate with team members in the MS Teams app, you must first be added to a Team Channel by that channel's administrator. If you received an email indicating "You have been added to a team in Microsoft Teams", then you should use the link in that message to download and install the Teams app on your platform of choice before using the steps below. Notifications for MS Teams are not enabled by default. Use the steps below to follow and receive notifications from channels you belong to.