Sign in using Microsoft Authenticator - Microsoft Support
Sign in using Microsoft Authenticator. Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.
About the Microsoft Support and Recovery Assistant
The Microsoft Support and Recovery Assistant works by running tests to figure out what's wrong and offers the best solution for the identified problem. It can currently fix Office, Microsoft 365, or Outlook problems.
Applies To:
Outlook for Microsoft 365, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft 365 admin
Microsoft 365 Training
Modern workplace training. Learn how to get more work done, from anywhere on any device with Microsoft 365 and Windows 10. Discover how industry professionals leverage Microsoft 365 to communicate, collaborate, and improve productivity across the team and organization. Start here.
从 USB 设备启动 Surface - Microsoft 支持
从 USB 设备启动不会刷新或重置你的 Surface。. 相反，它让可以你使用 Windows 或 USB 设备上的其他操作系统启动 Surface。. 有关如何为 Surface 创建可启动 USB 驱动器的信息，请参阅 为 Surface 创建和使用 USB 恢复驱动器 。. 若要下载 Surface 设备的恢复映像，请参阅 Surface ...
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
可以在Microsoft帐户仪表板中管理所有Microsoft订阅。. 选择每个订阅以更改付款时间和方式，或查看订单历史记录 & 收据。. 选择帐户类型。. 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 ...
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 use two-step verification with your Microsoft account
Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your Microsoft account. It uses two different forms of identity: your password, and a contact method (also known as security info).
创建和使用 Surface 的 USB 恢复驱动器 - Microsoft 支持
如果 Surface 无法启动，或者恢复信息已删除，则可以使用 USB 恢复驱动器访问恢复工具并解决问题。. 你的 Surface 附带 Windows 恢复信息，可用于恢复 Surface 或将其重置为出厂状态。. 如果你的 Surface 启动了，请参阅 还原或重置 Surface 。. 找到最符合你的问题的场景 ...