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Create a presentation in PowerPoint - Microsoft Support
To learn more see Create a new presentation with Copilot in PowerPoint. Create a presentation. Open PowerPoint. In the left pane, select New. Select an option: To create a presentation from scratch, select Blank Presentation. To use a prepared design, select one of the templates.
适用于: Microsoft 365 专属 PowerPoint, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
What's new
Let your creativity shine with our new AI-powered graphic design app. Simply type in your ideas to get one-of-a-kind designs and helpful suggestions to meet your needs. Let’s get started. Meet Windows 1, season 3 When there's a lot to do, Windows 11 helps you get it done. ...
Windows - Microsoft
你可以使用安装介质(U 盘或 DVD)来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质,请转到软件下载网站,你可以在这里找到分步说明。在该网站上,你可以选择 Windows 版本,并使用 U 盘或 DVD 创建自己的安装介质。
Find settings in Windows - Microsoft Support
Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.
Welcome to your email - Microsoft Support
Some folders are pre-populated, or you can create new ones. Inbox is located in the Message List. Emails open in the Reading Pane. The ribbon gives you more options to organize emails. Select the arrow on the far right to expand or collapse the ribbon. Change the appearance of your email.
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016
Free up drive space in Windows - Microsoft Support
Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.
Get the latest Windows update - Microsoft Support
Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works ...
Multiple desktops in Windows - Microsoft Support
On the taskbar, select the Task view icon, then select New desktop. Open the apps you want to use on that desktop. To switch to another desktop, select Task view again. Set backgrounds for desktops. You can also choose different backgrounds for each desktop if you're using a picture. If you're using a solid color or a slideshow, all your ...
Excel IF ANDOR NOT 使 ...
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
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10