对 Office 使用产品密钥 - Microsoft 支持
如果通过 Microsoft 工作区折扣计划 购买了 Microsoft 365. 如果通过雇主的 工作区折扣计划(以前称为家用许可计划) 权益安装 Office 专业增强版、Visio Professional 或 Project Professional，请在安装产品后输入产品密钥。
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 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Create, edit, and collaborate on a form in Microsoft Teams - Office Support
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我无法登录到我的Microsoft帐户 - Microsoft 支持
了解如何解决登录 Microsoft 帐户时出现的问题。 解决密码验证、锁定帐户和其他 Microsoft 帐户登录问题。
Applies To:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
更新安全处理器 (TPM) 固件 - Microsoft 支持
了解如何更新安全处理器或 TPM 固件以保护 Windows 10 和设备免受恶意软件攻击。
Cancel your Microsoft subscription - Microsoft Support
Learn how to cancel your Microsoft subscriptions such as Microsoft 365, Copilot Pro and Xbox. Troubleshoot issues if you can't cancel your subscription.
Applies To:
Microsoft account dashboard
向 Microsoft 帐户兑换礼品卡或代码 - Microsoft 支持
了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。
Applies To:
Microsoft account dashboard
Office Help & Training
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我在 Outlook 中无法发送或接收邮件 - Microsoft 支持
在 Outlook 中，有时待发邮件会滞留在发件箱中，无法发送出去。 了解使之发送出去的一些方法。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Office for business
将收藏夹导入 Microsoft Edge - Microsoft 支持
了解如何将其他浏览器的收藏夹导入 Microsoft Edge。
更新付款方式 | Xbox Support
了解如何更改付款方式。 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。