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Calculate percentages - Microsoft Support
Learn how to use the percentage formula in Excel to find the percentage of a total and the percentage of change between two numbers. Try it now!
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
Can I upgrade to Windows 11? - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Multiple desktops in Windows - Microsoft Support
Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.
Use a template to create a resume - Microsoft Support
As you work on the resume, you'll probably want to rename it.. The template uses a table to line everything up. If you need to add more lines for job experience or education, add rows to the table by going up to Layout under Table Tools and clicking Insert Below (or Insert Above).. For tips on writing your resume, check out Six steps to developing a great resume.
适用于: Microsoft 365 专属 Word, Microsoft 365 Mac 版专属 Word, Word 网页版, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Use Microsoft Authenticator with Microsoft 365
Choose the mobile app. Open a browser on your computer and go to portal.office.com.Sign in to your Office 365 for business account.
适用于: Office 商业版, Microsoft 365 管理员
Add, turn off, or remove extensions in Microsoft Edge
Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.
Fix problems with your PC by using Windows Update
Windows Update recommends a reinstall after an update installation fails. If an update fails to install because of problems related to system files or components, you might see the following message in the Windows Update page in Settings:. Reinstall your current version of Windows to repair system files and components.
Download and Install or Reinstall Microsoft 365 or Office 2019 on a PC ...
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为升级 Windows 11 准备就绪 - Microsoft 支持
安装 Windows 11 在针对你的特定电脑测试和验证 Windows 11 升级后,Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪,请转到“开始” “设置” >“更新和安全性” >“Windows 更新”,然后选择“检查更新”。 如果升级适用于你的设备,并且想要继续,请下载并安装它。
Photo viewer for Windows 10 - Microsoft Support
Windows Photo Viewer isn't part of Windows 10, but if you upgraded from Windows 7 or Windows 8.1, you might still have it. To check, press and hold (or right-click) a photo in File Explorer, and select Open with.If Windows Photo Viewer isn't in the list, you cannot install it on Windows 10.