Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.

Learn how to update your Xbox console offline with step-by-step instructions and troubleshooting tips.

Use tags in Microsoft Teams to @mention a group of people at once in a channel or chat. Tags group team members by role, project, skill, or schedule. When you @mention a tag, everyone in that tag gets notified. With tags, you can: @mention a group in a channel to notify everyone in that tag Start a chat with all members of a tag Create and manage tags for a team (with permission) Using tags To ...

了解如何在 Xbox 裝置上傳送、接收或刪除來自朋友的語音或文字訊息。

摘要 本文解释了为什么Microsoft中的验证码并不总是到达。 它包括最常见原因的列表以及每个原因的解决方案。 Microsoft致力于提高安全标准，因此，我们将开始逐步淘汰短信，作为个人Microsoft帐户的身份验证和帐户恢复方法。 验证码并不总是到达的原因 通读下面最常见的原因列表，看看其中是否有 ...

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).

SharePoint is a browser-based app that you connect to through your web browser. With SharePoint, you can do many things, such as: uploading and sharing files to your document library, collaborating on files with others, creating a team site or communication site, and more. If your organization has assigned you a license that includes SharePoint, you can sign in. In this article, we discuss the ...

Check the Xbox services, games, and apps for any service outages.