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.
Opciones de recuperación en Windows - Soporte técnico de Microsoft
Obtener información sobre las opciones de recuperación en Windows. Obtén información sobre cómo restablecer tu PC, volver a una versión anterior de Windows o usar un soporte físico para volver a instalar Windows.
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.
How to redeem Microsoft Rewards points - Microsoft Support
Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.
Applies To: Microsoft account dashboard
Create or run a macro - Microsoft Support
Learn how to record or create macros and execute them using buttons or keyboard shortcuts in Microsoft Office applications.
Applies To: Word for Microsoft 365, Word for the web, Word 2021, Word 2019, Word 2016
Install Skype for Business - Microsoft Support
Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.
Applies To: Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com, Skype for Business, Skype for Business Basic, Skype for Business for Android, Skype for Business for iPad, Skype for Business for iPhone, Skype for Business for Mac, Skype for Business for Windows Phone, Skype for Business Online
Open file links directly in Office desktop apps - Microsoft Support
Some users prefer the Office web apps, others prefer the Office desktop apps. We've designed an experience where users get to tell us what they prefer, and then their links open in their preferred mode - either Office web apps or the Office desktop apps.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint 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
获取 Windows 升级和安装错误的帮助 - Microsoft 支持
请参阅一些最常见的升级和安装错误,了解Windows 10和Windows 11,以及可尝试修复的错误。
How do I use the BIOS/UEFI on Surface Pro 3 and earlier devices
Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro models and Surface 3.
OneDrive release notes - Microsoft Support
Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Filter junk email and spam in Outlook - Microsoft Support
Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.
Applies To: Office for business, Office 365 Small Business, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019