使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
How to close your Microsoft account - Microsoft Support
Check that the page shows the correct Microsoft account, and then click Next. Read the list and click the checkboxes to acknowledge you’ve read each item. Choose to have the re-open window set to 30 or 60 days. In the Select a reason drop-down list, choose an explanation for why you're closing the account. Click Mark account for closure.
使用系统文件检查器工具修复丢失或损坏的系统文件 ...
如果运行的是 Windows 10、Windows 8.1 或 Windows 8,请先运行收件箱部署映像服务和管理 (DISM) 工具,然后再运行系统文件检查器。. (如果运行的是 Windows 7 或 Windows Vista,请跳到步骤 3.) 键入以下命令,然后按 Enter: 完成命令操作可能需要几分钟时间。. DISM.exe /Online ...
Sign in to SharePoint - Microsoft Support
Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near ...
适用于: Microsoft 365 中的 SharePoint
更改桌面背景图像 - Microsoft 支持
你可以选择桌面背景并随时更改它。. 选择 “开始 > 设置” > “个性化 > 背景 ”。. 在 “个性化设置背景 ”旁边的列表中,选择“ 图片 ”、“ 纯色 ”、“ 幻灯片放映 ”或“ Windows 聚焦 (”,) 查看来自世界各地的新图像。. 注意: 如果无法选择 “Windows 聚焦 ...
Word 中的键盘快捷方式 - Microsoft 支持
按 Alt 键可显示功能区快捷方式(称为“键提示”),如下所示。. 注意: 加载项和其他程序可以向功能区添加新选项卡,并可能为这些选项卡提供访问键。. 对于各种功能区选项,可以将“键提示”字母与 Alt 键组合在一起,以创建名为“访问键”的快捷方式 ...
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, Word for iPad, Word for iPhone, Word for Android 平板电脑版, Word for Android 手机版, Word Mobile
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro. Surface Laptop. Surface Laptop Studio 2. Surface Laptop Go 3. Microsoft Copilot. AI in Windows. Explore Microsoft products.
Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
ROUND 函数 - Microsoft 支持
ROUND 函数将数字四舍五入到指定的位数。. 例如,如果单元格 A1 包含 23.7825,而且您想要将此数值舍入到两个小数位数,可以使用以下公式:. =ROUND (A1, 2) 此函数的结果为 23.78。.
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
Troubleshoot problems updating Windows - Microsoft Support
The following tips can help you pinpoint the issue affecting your device. Before you begin, make sure your device is plugged into a power source and connected to the internet. Then, try the steps listed below to get your PC to update. Some updates require administrator access. If your account doesn't have administrator access, see Create a ...
修复 Windows 中的以太网连接问题 - Microsoft 支持
在电脑上 在“设置”中检查网络状态。打开设置 >网络和 Internet。检查屏幕顶部的以太网连接状态。 请确保网络连接名称下面显示“已连接”。如果存在错误,例如显示“需要操作”的错误,请选择“以太网”以查看以太网连接设置。 如果一根以太网电缆不起作用,并且附近有其他以太网电缆,请 ...