Troubleshoot problems signing in to Windows - Microsoft Support
If you continue to experience issues signing in with your original profile, disable Windows Defender services: Open the Services app by typing services in the search box on the task bar and selecting it from the list of results. Then, find the Windows Defender Advanced Threat Protection and Microsoft Defender Antivirus services, right-click each of them, select Properties , and change Startup ...
安装 Office 的疑难解答 - Microsoft 支持
尝试安装 Microsoft 365 、 Office 2021 、2019 或 2016 时遇到的问题以及如何修复这些问题取决于产品是 Office 家庭 版还是 Office 商业 版计划的一部分。. 此外，使用 Office 商业版计划时，只有负责管理组织中 Microsoft 365 的管理员可以执行某些任务。因此，管理员应查看“Office 商业版”和“Microsoft 365 管理员 ...
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Microsoft 365 for Mac, Office.com
Windows 11版本 23H2 更新历史记录 - Microsoft 支持
Windows 11 版本 22H2; 2024 年 7 月 9 日 - KB5040442（OS 内部版本 22621.3880 和 22631.3880） 2024 年 6 月 25 日 - KB5039302（OS 内部版本 22621.3810 和 22631.3810）预览
Add slide numbers, page numbers, or the date and time
Select the Date and time check box, and then do one of the following:. If you want the date and time to reflect the current date and time each time you open or print the presentation, click Update automatically, and then select the date and time format that you want .
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
How to correct a #N/A error in the VLOOKUP function
Tip: Also, refer to the Quick Reference Card: VLOOKUP troubleshooting tips which presents the common reasons for #NA issues in a convenient PDF file. You can share the PDF with others or print for your own reference.
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, Excel for Windows Phone 10
COUNTIF 函数 - Microsoft 支持
参数名称. 说明. range （必需）. 要进行计数的单元格组。 区域可以包括数字、数组、命名区域或包含数字的引用。空白和文本值将被忽略。 了解如何选择工作表中的区域。. criteria （必需）. 用于决定要统计哪些单元格的数量的数字、表达式、单元格引用或文本字符串。
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
Microsoft Store & billing help
Explore Microsoft Store services From free shipping and returns to our 60-day price protection, we’re here to help you do more with best-in-class devices, software, games, and resources.
Switch between Microsoft 365 subscriptions - Microsoft Support
With this subscription you won't have access to the desktop apps and you only get 100 GB of storage. Important: If you're moving from Microsoft 365 Family or Personal and you used over 100 GB of storage, you'll need to remove some of your files to remain within the 100 GB limit.. Switch to Microsoft 365 Family. Before you move to Microsoft 365 Family, you can check prices.
Applies To:
Microsoft 365 for home, Office for business
为什么我无法更改隐私设置？ | Xbox Support
选择“家庭”，然后选择要管理的帐户下的“更多选项”。 选择“从家庭组中删除”，然后按照屏幕上的说明进行操作。 删除成员后，选择“添加家庭成员”，输入其电子邮件地址，然后选择“下一步”。 选择“组织者”>“下一步”>“邀请”。
升级到 Windows 10：常见问题解答 - Microsoft 支持
注意: 如果想要查找有关特定错误代码的信息或遇到了产品密钥问题，请参阅获取有关 Windows 激活错误的帮助。 在这里，通过按 CTRL+F 并在搜索框中键入或粘贴错误代码或“产品密钥”，可找到有关你的代码的特定信息及解决方案。