Finding your BitLocker recovery key in Windows - Microsoft Support
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
Manage your Microsoft 365 subscription or Office product
For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card. Learn more.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
How to verify an email address in your Microsoft account
When you sign up for a Microsoft account or add an email address to your account, we automatically send a request to that email for you to verify that we have the right address. To finish the process, just follow the verification link in the email.
Applies To:
Microsoft account dashboard
Subscriptions & billing | Xbox Support
Buy games & apps. Get help with purchase errors. Pre-order Xbox digital games in the Microsoft Store. Use PayPal with your Microsoft account. Use mobile operator billing with your Microsoft account. Update your billing address and payment options. Xbox Free Play Days FAQ.
Call of Duty（使命召唤） | Xbox Support
了解 Xbox X|S、Xbox One、Xbox 360 和 Windows 10 上的 Call of Duty（使命召唤）、如何购买该游戏以及从哪里可获取疑难解答帮助。.
Xbox 主机上出现“已阻止您的账户在 Microsoft Store 中进行购买”错误
尝试在 Xbox 主机上进行购买时看到以下错误消息：. 已阻止您的账户在 Microsoft Store 中进行购买。. 有关详细信息，请转到 Xbox.com/PurchaseBlock. 这可能意味着：. Xbox 服务暂时出错。. Microsoft 帐户的隐私和在线安全设置正在阻止您进行购买。. 您的 Xbox One 主机或 ...
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 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 ...
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
更新付款方式 | Xbox Support
转到“付款和账单”，并选择“支付选项”。可以在此处添加或编辑付款方式。 在“付款方式”下面，可以“添加新的付款方式”、“查看或编辑信用卡”，或“删除信用卡”。 输入更新的信息，然后选择“保存”。
在 Xbox 主机上进行购买时出现错误 CP205 | Xbox Support
我们现在正在调查此问题。. 在此期间，登录到你的帐户以查看最新的退款请求状态。. 在 Xbox 主机上进行购买时，你在尝试更改支付选项的安全代码时收到以下错误代码和消息：. CP205. 此支付选项有误。. 请使用另外一种方式或新方式支付。. 如果有任何问题 ...
输入 Office 产品密钥的位置 - Microsoft 支持
如果所购买的 Office 或 Microsoft 365 随附有产品密钥，请在你的产品所对应的下列网站中输入产品密钥。. 输入密钥后，便可以下载并安装 Office，或可以续订 Microsoft 365 订阅。. 提示: 通过业务助手获取技术专业知识。. 与我们的小型企业顾问联系，帮助使 Microsoft 365 ...
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com