与我们联系 | XBOX Support
需要有关 XBOX 主机、XBOX 游戏或 XBOX 网络的帮助?了解如何与我们联系。
XBOX Mastercard FAQ | XBOX Support
Find answers to commonly asked questions about the XBOX Mastercard.
查找你的 Windows 产品密钥 | Microsoft Support
了解如何查找用于激活的 Windows 产品密钥,以及何时改用数字许可证。
Applies To: Microsoft account dashboard
Redeem a gift card or code to your Microsoft account
Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.
Applies To: Microsoft account dashboard
XBOX 状态 | XBOX Support
检查 XBOX 服务、游戏和应用是否有任何服务中断。
Subscriptions & billing | XBOX Support
Find help managing Xbox subscriptions, resolving billing issues, and accessing related support resources.
Contact - Microsoft Support
Support for Office 2021 will end on October 13, 2026. Learn more about your options for Office.
Account & profile | XBOX Support
Find everything you need to manage your Microsoft account, XBOX profile, and more.
Sign in to Microsoft 365 | Microsoft Support
Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.
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, Project Online Desktop Client, Publisher for Microsoft 365, 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, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 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, 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, OneNote for Mac, Microsoft 365 for home, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Project for Office 365
Microsoft Professional Support (pay-per-incident): FAQ
What's an "incident"? An incident is defined as a single support issue and the reasonable efforts needed to resolve it. A single support issue is a problem that can't be broken down into subordinate problems. If it can be broken down into subordinate problems, each subordinate problem shall be considered a separate incident. An incident may require multiple contacts and offline research to ...