NewMicrosoft Teams
Microsoft Teams: Activity in other accounts and orgs improvements
Users will gain a new 'Activity in Other Accounts and Orgs' panel in Microsoft Teams that consolidates activity from multiple tenants and accounts, allowing them to view and interact with content from other organizations without switching contexts.
Microsoft's description
Stay up-to-date with what's happening in your other accounts and organizations with the 'Activity in Other Accounts and Orgs' panel. Preview and open chats, channels, and other activity in other accounts and orgs from your main Teams window, without switching tenants.