If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page. You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Learn more about our Xbox subscription refund policy. You can receive a refund within 30 days of your initial purchase or before your first recurring billing date (whichever is sooner) by canceling your subscription in the steps that are outlined in the section “Canceling a subscription.”.

Customer service phone numbers. For help, follow the Get help link below. Describe your problem, and we'll provide self-help or connect you to the most appropriate support, which may include chat or request a call — we’ll call you, so you don’t have to wait.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

When you upgrade to a Game Pass plan that includes benefits of a subscription you already have, we’ll convert remaining prepaid time and apply it toward your new plan at the current conversion ratio. See below for Game Pass Ultimate and Game Pass Standard upgrade details.

Explore Microsoft Office help and training resources. Find how-to articles, video tutorials, and additional support for Office apps.

如果你收到有关 Microsoft 帐户上异常活动的电子邮件，或者你担心其他人可能使用了你的帐户， 请转到“最近活动”页。. 你将看到你的 Microsoft 帐户在过去 30 天内的登录时间，以及任何特定于设备或应用的信息。. 有关常见问题的解答（包括如何返回到受入侵的 ...

激活 Microsoft 365 或非订阅版本的 Office. 当启动未激活的 Microsoft 365 应用时，系统将提示登录到 Microsoft 365。. 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。. 注意: 如果新设备上预安装了 Microsoft 365，请参阅 激活新 Windows 设备上 ...

系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。. 从电脑中，你可以使用预安装在设备上的连接至 Windows 应用或可从 Google Play 或 Samsung Galaxy Store 下载的连接至 Windows 连接到选择 Android、Samsung、HONOR、OPPO、ASUS 和vivo体设备。. 可以通过 Android 设备和电脑 ...

如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“ 登录并安装 Office ”的部分。. 提示: 如果你是小型 ...