Choose an option for the ribbon: Show Tabs and Commands keeps all the tabs and commands on the ribbon visible all the time.. Show tabs shows only the ribbon tabs, so you see more of your document, and you can still quickly switch among the tabs.. Auto-Hide ribbon hides the ribbon for the best view of your document, and only shows the ribbon when you select the ellipsis (...

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.

当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

Organize your ideas. Collections help you keep track of your ideas on the web - shopping, planning a trip, research, or just want to pick up where you left off.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

If you are using a mouse, select Start > Settings > Accessibility > Magnifier.Select View, and then open the Keep the mouse pointer or Keep the text cursor drop-down menu, and select how Magnifier behaves when the mouse pointer or text cursor move around the screen. This is something you should experiment with to see which combination works best for you.

The Snap feature is a great way to improve your productivity by sharing many app windows in a single screen. Different layouts are available with many sizes to choose from, so you can get the most from your favorite apps when you are working on specific tasks.

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