Hardware warranty, services, and repair
Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.
Xbox subscription cancellations and refunds | Xbox Support
Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.
如何更改 Microsoft 帐户上的出生日期 - Microsoft 支持
如何更改成人 Microsoft 帐户上的出生日期. 使用要更新的帐户凭据编辑 Microsoft 帐户配置文件。 登录
Applies To:
Microsoft account dashboard
如何在 Windows 中设置和测试麦克风 - Microsoft 支持
获取有关如何在麦克风中设置和测试麦克风的Windows。
安装 Visio 或访问 Visio 网页版 - Microsoft 支持
了解如何安装 Visio 2013 和 2016 以及 Visio Pro for Microsoft 365。
Applies To:
Visio Plan 2, Visio Professional 2021, Visio Standard 2021, Visio Professional 2019, Visio Standard 2019, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com
如何登入 Hotmail - Microsoft Support
Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。
Applies To:
Outlook.com
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To:
Office 2019
Sign in to SharePoint - Microsoft Support
Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.
Applies To:
SharePoint in Microsoft 365
Fix problems signing in to the Xbox app - Microsoft Support
Get troubleshooting steps for when you can't sign in to the Xbox app.
将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。