Press the Xbox button to open the guide, and then go to Profile & system.; Select your Xbox profile (or select Choose a profile and sign in to your account).; Select My profile > Customize profile, and then select your current gamertag.; Under Choose your new gamertag, enter the gamertag that you want in the available text box, and then select Check availability.

Pick a team and channel. A team is a collection of people, conversations, files, and tools — all in one place. A channel is a discussion in a team, dedicated to a department, project, or topic.. The best way to get familiar with teams and channels is to pick a team and channel and start exploring! Select Teams on the left side of the app and then pick a team.

Use Microsoft Teams to chat online with the people you interact with. Start all chats the same way: by selecting New chat at the top of your chat list.. Start a chat with another person

Learn how to manage the online safety and privacy settings on the Xbox console for you and every member of your family group.

Also, if your Microsoft 365 tenant is a GCC High (Government), DoD, or Gallatin (China) environment, you don't have this feature quite yet. Note: Reactions are currently not supported for Microsoft Exchange shared mailboxes.

When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.

Important: You can't create breakout rooms if there are more than 300 people in a meeting.Likewise, if you create breakout rooms before a meeting, you won't be able to invite more than 300 people. For more info about managing large Teams meetings, see Best practices for a large Teams meeting.

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

Tip: If you believe someone has acquired your payment info, contact your bank or your payment provider to prevent more charges. Tell them your credit card has been stolen or compromised - If you only dispute the charges, there's nothing to prevent the fraudulent charges from happening again.

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