获取有关你的 Microsoft 帐户的帮助 - Microsoft 支持
关闭定期计费. 退款帮助. 调查计费的费用. BitLocker 帮助. 查找 Windows 和 Office 的产品密钥. 有关工作或学校帐户密码的帮助. 我需要与客户支持代理联系. 了解如何获取 Microsoft 帐户帮助、解决登录问题、确保帐户安全以及管理 Microsoft 帐户仪表板。.
Applies To:
Microsoft account dashboard
Microsoft 365 客户服务和支持 - Microsoft 支持
Microsoft 为消费者提供的支持类型取决于你正在调用的产品，以及你是否有家庭 或 商业 用途的产品。 它还可能取决于你是否需要有关 OneDrive 或 Outlook.com 等服务问题的帮助，或者有关 Windows 的帮助，但你没有现有的 Microsoft 365 订阅。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home
View, manage, and install add-ins for Excel, PowerPoint, and Word
When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
如何在 Windows 中执行干净启动 - Microsoft 支持
方法如下：. 选择 “搜索 ”，然后键入 计算机管理 。. 从结果列表中选择 “计算机管理 ”。. 在控制台树中，选择箭头以展开 服务和应用程序 ，然后选择 “服务 ”。. 在详细信息窗格中，右键单击或向下轻扫 Windows 安装程序 ，然后选择 “开始 ”。. 本文 ...
OneDrive 파일 또는 폴더가 동기화를 마치지 않음 - Microsoft 지원
대부분의 경우 최신 OneDrive 동기화 앱 (onedrive.exe)을 사용하는 것이 좋습니다. 어떤 OneDrive 앱인가요? 회사 또는 학교 OneDrive 를 사용 하 여 Microsoft SharePoint 라이브러리를 컴퓨터에 동기화 할 수 있습니다. 파일이 동기화 되는 로컬 폴더에서 파일을 볼 때 일부 폴더 ...
Applies To:
SharePoint in Microsoft 365, Office for business, OneDrive (work or school)
SUMIF function - Microsoft Support
=SUMIF(A2:A5,300000,B2:B5) Sum of the commissions for property values equal to $300,000. $21,000 =SUMIF(A2:A5,">" & C2,B2:B5) Sum of the commissions for property values greater than the value in C2. $49,000. Example 2. Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results ...
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
修复 Windows 中的蓝牙问题 - Microsoft 支持
检查蓝牙设备. 确保蓝牙设备已打开、已充电或具有新电池，并且位于电脑的连接范围内。. 然后尝试执行以下操作：. 关闭你的蓝牙设备，等待几秒钟，然后将其重新打开。. 确保你的蓝牙设备位于有效范围内。. 如果你的蓝牙设备无响应或响应迟缓，请检查以 ...
How to check if your device meets Windows 11 system requirements after ...
This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.
获取最新 Windows 更新 - Microsoft 支持
若要检查更新，请选择“ 开始 > 设置 > Windows 更新 ”，然后选择“ 检查更新 ”。. 如果有可用的更新，可以选择安装它们。. 检查更新. 如果在更新设备时遇到问题（包括以前的主要更新出现问题），请参阅 排查更新 Windows 问题 中的常见修补程序。. 如果Windows ...
KB5034236：用于安装和恢复Windows 11版本 21H2 的兼容性更新：2024 年 1 月 9 日
当用户安装功能更新以移动到 Windows 11 版本 21H2 时，此更新将自动安装。. 此更新不会随每月质量更新一起自动安装。. 若要获取此更新的独立包，请下载 KB5034236 更新。. 若要从更新目录下载更新，请参阅 从 Windows 更新目录下载更新的步骤 。. 请参阅其他发布 ...