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Internet Explorer のダウンロード - Microsoft サポート
Microsoft Edge は、Microsoft の推奨ブラウザーです. Internet Explorer のサポートは、2022 年 6 月 15 日に終了しました。. Internet Explorer 11 は、特定のバージョンの Windows 10 の Microsoft Edge Update を通じて完全に無効になっています。. アクセスしたサイトで Internet Explorer 11 ...
使用 SUM 函数对区域中的数字求和 - Microsoft 支持
下面是使用两个单元格区域的公式 : =SUM (A2:A4,C2:C3) 对区域 A2:A4 和 C2:C3 中的数字求和。. 可按 Enter 获取总计 39787。. 创建公式:. 在单元格中键入 =SUM ,后跟左括号 ( 。. 若要输入第一个公式区域(称为 参数 (公式运行) 所需的一段数据),请键入 A2:A4 ...
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Contact Us - Microsoft Support
Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
登录后,请遵照与您登录的账户类型相匹配的如下步骤。. 使用 Microsoft 帐户登录. 在 Microsoft 365 主页中选择“ 安装应用 ”。. 选择 “安装 (或根据你的版本, >) 安装应用 ”。. 使用工作或学校帐户登录. 在主页中选择“ 安装应用 (如果设置了其他起始页,请转到 ...
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
October 31, 2023—KB5031455 (OS Builds 22621.2506 and 22631.2506 ...
Windows 11 servicing stack update - 22621.2495 and 22631.2495. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.
让电脑全新启动 - Microsoft 支持
重要: 初始化电脑(或使用 全新启动)将删除你的大部分应用,包括 Microsoft Office、第三方防病毒软件以及设备上预安装的桌面应用。你将无法恢复已删除的应用,并将需要手动重新安装这些应用。 你还可能丢失与应用关联的数字许可证和数字内容,可能会影响你使用这些应用或你已付费的与应用 ...
在 Windows 10、Windows 8 或 Windows 7 中找不到 Office 应用?
观看视频或者按照视频下面的步骤进行操作,了解如何在 Windows 10 中查找你的 Office 应用程序。. 选择“ 开始 ”,开始键入应用程序的名称(如 Word 或 Excel)。. 搜索将在你键入时自动打开。. 在搜索结果中,单击应用程序以启动它。. 对于 Microsoft 365、Office 2021 ...
Applies To: Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
备份 Windows 电脑 - Microsoft 支持
步骤 3:备份你的设置. Windows 备份可以帮助备份其他 Windows 设置,例如已安装的应用、Wi-Fi 网络和密码信息以及其他设置,例如语言首选项或壁纸设置。. 你将在 Windows 备份 中看到所有这些设置的状态:. 同样,只需将这些设置切换为“打开”或“关闭”。. 注意 ...
Camera doesn't work in Windows - Microsoft Support
Select Start , type device manager, then select it from the search results. Find the problem webcam from the list of devices shown in the Device Manager. It should appear either under Cameras or Imaging devices. Right-click the webcam device and select Update driver. Select Browse my computer for drivers.
Diagnostics, feedback, and privacy in Windows - Microsoft Support
Together, diagnostics and feedback are how you and your Windows device tell Microsoft what's really going on. As you use Windows, we collect diagnostic information, and to make sure we're listening to you, our customer, we've also built ways for you to send us feedback anytime, and at specific times, like when Windows asks you a question about how something is working for you.