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如何安装最新版本的 DirectX - Microsoft 支持
Windows XP 和 Windows Server 2003. 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。.
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
如果你正在使用 Windows 电脑,并且想要在电脑设备上显示来自其他屏幕的应用程序和内容,则需考虑将设备屏幕镜像或投影到电脑。 请注意,需要支持 Miracast 的设备。 下面介绍如何将另一个屏幕或项目镜像到你的电脑。
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
About Color Management - Microsoft Support
Here are some other color settings you can manage in Windows 10: Change your accent color: Select the Start button > Settings > Personalization > Colors . Open Colors settings. Make photos and colors easier to see with a color filter: Select the Start button > Settings > Ease of Access > Color filters. Open Color filters settings.
Add or invite people outside your org to a chat in Microsoft Teams
With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.
Applies To: Microsoft Teams
Microsoft 365 または Office 2021 を PC または Mac にダウンロードしてインストール、または再インストールし ...
PC または Mac に Microsoft 365 または Office 2019 をインストール、再インストール、またはライセンス認証する方法について説明します。
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, 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, Office.com
Create workbook links - Microsoft Support
A workbook link (previously called an external reference) is a way to combine data from other workbooks or other sheets in the same workbook. You might want to use them to: Link workbooks from several departments and then integrate pertinent data into a summary workbook. When the source workbooks change, the summary workbook is updated.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
What happens if there's an unusual sign-in to your account
Microsoft prioritizes account security and works to prevent people from signing in without your permission. When we notice a sign-in attempt from a new location or device, we help protect the account by sending you an email message and an SMS alert. If your phone number or email changes, it's important to promptly update the security contact info on the Security basics page so we can work with ...
Protect yourself from phishing - Microsoft Support
Protect yourself from phishing. Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies ...