Download and install or reinstall Office 2019, Office 2016, or Office ...
Learn how to download and install or reinstall Office 2019, Office 2016, or Office 2013 on your PC or Mac. Find out how to activate Microsoft 365, troubleshoot issues, and customize your installation options.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to download and install Microsoft 365 or Office 2021 on your device, whether you have a Microsoft account, a work or school account, or a product key. Find out how to activate the apps, troubleshoot issues, and get support.
Applies To:
Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Create installation media for Windows - Microsoft Support
Learn how to use a USB flash drive or DVD to install, reinstall, or perform a clean installation of Windows 7, 8.1, 10, or 11. Find the software download website, product key, and recovery options for Windows.
Customer service phone numbers - Microsoft Support
Find the phone number for Microsoft support in your region for personal or work or school accounts. Get help online or chat with a support agent for faster resolution.
在 Microsoft Edge 中添加、关闭或删除扩展 - Microsoft 支持
扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。 查找某个扩展并将其添加到 Microsoft Edge 中. 在 Microsoft Edge 中,选择浏览器地址栏右侧的“扩展”。
Installing Microsoft Defender - Microsoft Support
Learn how to download and set up Microsoft Defender on your Android, iOS, Windows, Mac devices with a Microsoft 365 subscription. Find out how to protect yourself from web threats, malware, and data breaches with Microsoft Defender.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
我控制器上的此“共享”按钮是什么? | Xbox Support
“共享”按钮可用于录制游戏剪辑和捕获屏幕截图,并与其他玩家分享。 了解如何使用“共享”按钮,如何自定义其长按行为,以及如何在 Xbox 主机和 Xbox 移动应用中共享捕获内容。
Collaborating with Teams, SharePoint, and OneDrive
Learn how to use Teams, SharePoint, and OneDrive together to store, share, and communicate files for your projects and tasks. Compare the features and benefits of each tool and see examples of how to integrate them.
Applies To:
OneDrive for Business, SharePoint in Microsoft 365, Microsoft Teams, OneDrive for Mac, OneDrive for Windows
Get expert help, 24/7 - Microsoft Support
Find solutions for Microsoft 365, Office products, devices, account and billing issues. Get free help with Excel formulas, explore subscription benefits, training courses, security tips and more.
Download drivers and firmware for Surface - Microsoft Support
Learn how to update your Surface device with the latest drivers and firmware for Windows 10 or Windows 11. Find links for automatic and manual updates, and check your Surface model and OS build.