Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Xbox Free Play Days FAQ | Xbox Support
With Xbox Free Play Days, you can play select, fully featured, hot games for free. All points that are earned and downloadable content (DLC) that you bought carries over if you buy the game at the end of the free period.
Xbox Insider Program FAQ | Xbox Support
Learn all about the Xbox Insider Program. As a fan, you can offer feedback on system updates and content that’s still being developed.
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
注意: 通过员工Microsoft工作区折扣计划购买的某些产品(以前称为家用许可计划) 权益或批量许可证版本 (由组织的 IT 部门管理,) 可能不需要帐户。 以下信息不适用于这些 Office 版本或 Microsoft 365 订阅。
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
Small business help & learning
Find the information you need to build, run, grow, and support your small business in Microsoft 365.
不支持在同一台计算机上运行通过即点即用和 Window Installer 安装的 Office - Microsoft 支持
了解如何解决与运行由即点即用和 Windows Installer (MSI) 安装的 Office 相关的错误。
Applies To: Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Click2Run, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
如何添加新的 Xbox 好友 | Xbox Support
了解如何添加新的 Xbox 好友,以便快速在线找到他们,为你的下一场游戏冒险做好准备。
关于 Windows 备份和同步设置 - Microsoft 支持
请记住我的首选项 你可以备份首选项, 包括辅助功能密码、语言和其他 Windows 设置。 如果你打开了其他 Windows 设置,Windows 也会同步某些设备设置(如打印机和鼠标选项)、文件资源管理器设置和通知首选项。
Applies To: Microsoft account dashboard
发送和接收 Xbox 消息 | Xbox Support
了解如何跨 Xbox 设备向好友发送和接收语音或短信。
將Microsoft Authenticator應用程式設定為您的驗證方法
從安全性資訊頁面設定Microsoft Authenticator應用程式. 視貴組織的設定而定,您可能可以使用驗證應用程式做為其中一個安全性資訊方法。