As a team owner, you can add new members and guests, change members into owners, manage channels and settings, and archive a team that's no longer in use.

This video provides an overview on how to manage settings in Microsoft Teams so that you can add members, remove members, add team owners, manage channels, change team settings, manage and add apps, and archive a team.

Learn more: https://support.microsoft.com/en-us/office/go-to-guide-for-team-owners-92d238e6-0ae2-447e-af90-40b1052c4547