Troubleshoot Designer in PowerPoint - Microsoft Support
In PowerPoint, learn how to troubleshoot Designer if you don't see the Designer button, no suggestions are offered, or the button is grayed out.
Applies To:
PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016, PowerPoint for iPad, PowerPoint for Android tablets, PowerPoint Mobile
Phone Link requirements and setup - Microsoft Support
System requirements and setup steps for the Phone Link app
减小 PowerPoint 演示文稿的文件大小 - Microsoft 支持
了解如何减小 PowerPoint 演示文稿的大小。
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
DROP 函数 - Microsoft 支持
从数组的开头或结尾中排除指定数量的行或列。 你可能会发现此函数可用于删除 Excel 报表中的页眉和页脚，以仅返回数据。
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web
在 Windows 中配对蓝牙设备 - Microsoft 支持
在开始之前，请确保你的 Windows 10 电脑支持蓝牙。 有关如何检查的详细信息，请参阅修复 Windows 10 中的蓝牙问题。 如果需要帮助添加没有蓝牙功能的设备，请参阅将设备添加到 Windows 10 电脑。. 打开蓝牙
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
How to earn Microsoft Rewards points - Microsoft Support
Learn how to earn Microsoft Rewards points when you browse the web with Microsoft Edge, search on Bing.com, and more.
Applies To:
Microsoft account dashboard
打开或关闭 Windows 安全中心 - Microsoft 支持
Windows 安全中心已预安装在 Windows 10 中并可随时使用。
Sign in to Xbox | Xbox Support
If you don’t already have an Xbox profile, we can help you create one using an existing email address (or if you prefer, you can create a new email address specifically for signing in to Xbox):
如何使用 Windows 11 中的任务栏 - Microsoft 支持
了解如何使用 Windows 11 中的任务栏功能。 使用任务栏设置隐藏任务栏、固定应用、更改位置等。