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Office Help & Training
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Create a presentation in PowerPoint - Microsoft Support
Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Create a bibliography, citations, and references - Microsoft Support
Create a bibliography using built-in common citation formats like APA, MLA, or Chicago.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Sign in to Xbox | Xbox Support
Need help setting up an Xbox account or signing in to Xbox on your console, PC, or mobile device? This solution will help you sign in or create a new account.
Avoid and report Microsoft technical support scams
Provides information for avoiding and reporting Microsoft technical support scams.
Cómo iniciar sesión en una cuenta de Microsoft
Usa tu cuenta de Microsoft para iniciar sesión en servicios Microsoft, como Windows, Microsoft 365, OneDrive, Skype, Outlook y Xbox Live.
Applies To: Microsoft 365 for home, Outlook.com, Microsoft 365 for Mac, Microsoft 365 for Windows, Microsoft account dashboard, Microsoft Edge, Microsoft Teams, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
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。
Check or change language settings - Microsoft Support
Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.
Applies To: Outlook.com, Microsoft Edge, OneDrive (home or personal)
Turn off Defender antivirus protection in Windows Security
Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用,以在给定值之间进行逻辑比较。
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 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10