Learn how to identify and open encrypted and protected emails no matter what email client you're using.

Stay in sync with scheduled Teams meetings, where you can collaborate with your team, present content, and much more. When you schedule a meeting in Teams, it'll automatically appear in your Outlook calendar, and vice versa. Scheduling from Outlook? Learn how to add Teams to your Outlook meeting.

Why NAT is important Your NAT type determines whether you can successfully use multiplayer gaming or party chat. The table below illustrates the differences between the NAT types and, based on your NAT type, who you can play multiplayer games with and hear in a party chat.

Learn how to fix error 807A1007 so you can join parties through Xbox One.

What is Teredo? Select games like Forza Horizon 3 and 4 use a networking protocol called Teredo for multiplayer gaming on the Xbox network. Teredo is a networking protocol that’s used to establish communications between clients and servers, and to facilitate connectivity between devices behind routers that use network address translation (NAT).

In Teams, the meeting lobby keeps participants from joining a meeting until they’re admitted by an organizer, co-organizer, or presenter. When people are in the lobby, organizers, co-organizers, and presenters are notified and can choose when to admit them to the meeting.

Find out how to fix network connectivity problems when using Xbox multiplayer and chat features on Windows 10/11.

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

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Schedule engaging and interactive events with webinars in Microsoft Teams.