Archived teams can still be viewed - they just cannot have any content added to them or edited.
To view your archived teams:
- From Teams, go to the Teams view, click on the ellipses (...) menu at the top right, then Your teams and channels.
- Collapse the Active teams list to reveal the Archived teams, then click on the team you wish to view:
- Should you wish to unarchive the team, click on the ellipses (...) menu next to the archived team, then pick Restore.