Record a presentation - Microsoft Support
Training: In Microsoft PowerPoint, you can record your presentation, narration, and animation timings to give it a professional and polished feel. Watch this video to learn how.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
在 Windows 中卸载或删除应用和程序 - Microsoft 支持
可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。
Save or convert to PDF or XPS in Office Desktop apps
Save your Office file as a PDF without needing additional software or add-ins.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, OneNote 2021, Excel 2019, Word 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Excel 2016, Word 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Project Online
安装 Windows 7 Service Pack 1 (SP1) - Microsoft 支持
了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。
Manage notifications in Microsoft Teams - Microsoft Support
Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.
Applies To:
Microsoft Teams
Automatically fix Windows security issues - Microsoft Support
Troubleshoots and fixes common issues with security and malware prevention in Windows.
Can't send or receive email in Outlook.com - Microsoft Support
Learn how to fix Outlook.com email sync issues if you can't receive or send messages.
Applies To:
Outlook.com
Skype help & learning
Get help and learn how to use Skype with Microsoft's official support page.
Microsoft Teams help & learning
Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.
Sign in and create multiple profiles in Microsoft Edge
With Edge Chromium, you can add multiple profiles. Profiles allow multiple users to operate in a shared environment while maintaining access to their personalized browser settings, bookmarks, and extensions.