With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

Informazioni su come installare, reinstallare o attivare Microsoft 365 o Office 2019 in un PC o un Mac.

Learn about the ways to install device drivers with digital signatures so you can help protect your PC from malware.

Hotmail เปลี่ยนชื่อเป็น Outlook.com แล้ว เรียนรู้วิธีการลงชื่อเข้าใช้เพื่อเข้าถึงบัญชีอีเมล Outlook.com, Hotmail, Live หรือ MSN ของคุณ

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Learn how to contact Microsoft Store support to get help for your payment and billing issue.

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.

Windows Hello. Windows Hello 可使你通过你的面部、虹膜、指纹或 PIN 登录到你的设备、应用、在线服务和网络。 即使你的 Windows 设备可以使用 Windows Hello 生物识别，也不必这么做。

Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.