Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

Use this article to find out your expiration status.

This article walks you through easy steps to get you started being productive with Microsoft 365 Groups in just minutes. Create a group, add members, share files and notes, have conversations and more.

A list of devices supported with Link to Windows and other features in the Phone Link app.

To help protect against abuse by spammers, Outlook.com limits the number of email messages that you can send in a single day, as well as the number of recipients for a single message.

By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN.

激活有助于验证你的 Windows 副本是否为正版，且未在超过 Microsoft 软件许可条款所允许数量的设备上使用。 本文将帮助你找出并改正 Windows 中常见的激活错误。

If you’re having problems sharing by using nearby sharing, here are some things to try to get things working. For more info about nearby sharing and how to use it, see Share things with nearby devices in Windows.

断开设备与 Microsoft Store 的链接. 如果无法从 Microsoft Store 中下载内容，则你可能已达到了设备限制。 通过删除不使用的设备或者不再有权访问的设备来管理你的限制。

重要: Microsoft不再支持超过一年的 Authenticator 版本。始终使设备保持最新状态。