When you switch between the new and classic Teams, the version you’re currently using will close and the one you’re switching to will automatically open and become your default version. Your call or meeting will be disconnected. If you are in a meeting or call while turning off the toggle, a notification will ask you to confirm the switch. To switch back to the classic Teams, turn off the New Teams toggle at the top of Teams. It's easy to toggle back and forth between using the classic and new Teams, so you can take advantage of the new Teams performance enhancements on some days and switch back to the classic Teams when you need to. We’re still working on this version, so some things aren’t available yet. If your account is a Guest in another organization, it will appear automatically. To add another account, select your profile picture at the top right of the new Teams, then select Add another work account. Set your status for each account and organization individually. Participate in chats, meetings, and calls across multiple accounts and organizations without dropping from a call or meeting to switch accounts/orgs, and Receive real-time notifications from all the accounts (and all associated organizations)

When you add accounts to your Teams desktop app, you can: With Multi-Tenant Multi-Account (MTMA) support in the new Teams, you can sign into multiple work or school accounts (or as a Guest in other organizations) without signing in on multiple web browsers. Find Microsoft Teams (work preview) in the apps list and set your preference. When in the new Teams, turn on (or off) notifications by selecting Settings and more at the top of the new Teams, then selecting Settings>Notifications>Open Windows notifications settings. Any subsequent actions you take will happen in the new Teams by default, like joining a Teams meeting from Outlook. Your Teams app will reboot to open the new Teams. Select Get it now from the pop-out dialogue. Turn on the Try the new Teams toggle at the top of Teams. Open the Teams desktop app on your Windows device. Support for the new Teams on Mac OS and on the web are coming soon. Minimum system requirements for the new Teams: Window 10 Vibranium 1 and Microsoft Teams (work or school) version 1.2 or higher.

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