Excel video training - Microsoft Support
Learn Excel skills from beginner to advanced with video tutorials, templates, and tips from Microsoft Support.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
如何申请 Xbox 数字产品退款 | Xbox Support
详细了解如何为 Xbox 订阅或数字产品申请退款。
How to use two-step verification with your Microsoft account
Get answers to some basic questions about what two-step verification is, and how to set it up and use it to help keep your Microsoft account more secure.
修复 Microsoft Store 应用出现的问题 - Microsoft 支持
如果你使用的是 Windows 11，并在使用 Microsoft Store 中的应用时遇到问题，请考虑这些更新和修复程序。 首先，登录到你的 Microsoft 帐户。 接下来，按照显示的顺序实施这些可能的解决方案。
Phishing and suspicious behavior in Outlook - Microsoft Support
Learn how to deal with phishing or spoofing scams or abusive messages in Outlook.com.
Applies To:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Contact Microsoft Office Support - Microsoft Support
Contact Microsoft Office Support for assistance with Microsoft 365, Office, Windows, Xbox, Surface products and more.
更改屏幕亮度（Windows - Microsoft 支持
获取有关如何在屏幕屏幕中更改屏幕亮度Windows。
Create and print labels - Microsoft Support
Learn how to make labels in Word. You can create and print a full page of address labels or nametags. Get started on how to print labels from Word.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
在 Microsoft Edge 中更改默认搜索引擎 - Microsoft 支持
将必应作为默认搜索引擎，将增强在 新版 Microsoft Edge 中的搜索体验，包括直接指向 Windows 应用的链接、来自组织的相关建议（如果使用工作或学校帐户登录），和有关 Windows 的问题的即时解答。 但是，你可以将默认搜索引擎更改为使用 OpenSearch 技术的任何站点。
适用于电脑的游戏服务修复工具 | Xbox Support
如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。