Get help with Outlook.com - Microsoft Support
Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.
Applies To:
Outlook.com
Basic tasks in Excel - Microsoft Support
Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
32-bit and 64-bit Windows: Frequently asked questions
Get answers to some common questions about 32-bit and 64-bit versions of Windows.
Enable or disable macros in Microsoft 365 files
Improve security, evaluate and mitigate the risks of running macros, and see how to enable or disable macros for Microsoft 365.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。
Global Customer Service phone numbers - Microsoft Support
This page provides phone numbers of Microsoft customer service.
Account has been locked - Microsoft Support
Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.
如何安装最新版本的 DirectX - Microsoft 支持
本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。
欢迎使用 Windows
获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。
Creating and using a USB recovery drive for Surface
Learn how to reset your Microsoft Surface and solve problems using a USB recovery drive or Surface recovery image.