@Stephane
You could try to use the Org Chart:
- Open Microsoft Teams.
- Go to Chat or Teams.
- Click on any person's name. This should open their profile card.
- Click on Organization tab in their profile card to see their position in the organizational chart.
- You can navigate through the org chart to see more employees.
Meanwhile, Teams admin have the right to see all employees in your organization via Teams admin center.
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