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Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。
Add questions that allow for file uploads - Microsoft Support
Preview the file upload question your responders will see. Select Preview to see how your question will appear to your form responders. The Upload file button will be active and ready for responders to interact with.. When responders successfully upload files, they'll see their files represented in their answer.
Applies To: Microsoft Forms
Send feedback to Microsoft with the Feedback Hub app
Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads the screenshot to the Feedback tab. Follow the on-screen instructions to detail the problem you've encountered.
在 Windows 中更改默认浏览器 - Microsoft 支持
在 Web 浏览器下,选择当前列出的浏览器,然后选择 Microsoft Edge 或其他浏览器。
Troubleshooting Microsoft Family Safety - Microsoft Support
Set their account as a standard user: Your child might be set as an Administrator on the device. As an administrator they can change or break the Family Safety settings. Select > Settings > Accounts > Family & other users > Choose your child's account > Change account type > In the dialog choose Standard user and select ok to save the change.
Troubleshoot attachment problems in Outlook - Microsoft Support
How do I save an edited attachment so my changes are attached to the original email? If the attachment sender used OneDrive or another cloud storage option, any changes you make to the attachment are automatically saved.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
SUMIF 函数 - Microsoft 支持
sum_range 可选。要添加的实际单元格,如果要添加在范围参数指定以外的其他单元格。如果省略sum_range参数,Excel就会添加范围参数中指定的单元格(与应用标准的单元格相同)。. Sum_range 的大小和形状应该与范围相同。如果不这样做,性能可能会受到影响,而且该公式将对从sum_range中第一个单元格 ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
停止自动将数字更改为日期 - Microsoft 支持
通过将数字更改为日期来自动停止 Excel 的日期输入。 输入数字之前,您可将单元格设置为文本格式。 或者如果您只使用几个数字,在数字之前输入空格或撇号。
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
在Microsoft Edge中使用沉浸式阅读器 - Microsoft 支持
沉浸式阅读器中的文本首选项. 从各种文本和颜色选项(如文本大小、文本间距和页面主题)中进行选择,以增强沉浸式阅读器体验。. 从沉浸式阅读器工具栏的文本首选项中查找这些设置。. 文本大小:在“ 文本大小”标签下,向右移动滑块以使文本更大;将其向左移动,使文本变小。
Applies To: Microsoft Edge
启用自动应用更新 - Microsoft 支持
有时,应用发布者会更新其应用以添加新的功能并修复问题。 Windows 上的 Microsoft Store 可以自动安装应用更新。