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Change default programs in Windows - Microsoft Support
Select Start > Settings > Apps > Default apps. To change the default app, you can do either of the following: Set a default for a file type or link type. In the search bar, enter the file type or link type you want, then select it from the list of results. You can choose which app can open that file or link type. Set defaults for applications.
Windows help & learning
Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Stay up to date with news and interests - Microsoft Support
The taskbar can display the temperature in Celsius (°C) or Fahrenheit (°F). To switch between these two units, select the weather icon on the taskbar, select the Edit location and unit icon on the weather card, select Celsius or Fahrenheit on the weather, and select Save. News and interests is supported in any taskbar orientation.
Windows 更新疑难解答 - Microsoft 支持
如果你在下载和安装 Windows 更新时收到错误代码,更新疑难解答可以帮助解决该问题。. 选择“ 开始 ”>“ 设置 ”>“ 系统 ”>“ 疑难解答 ”>“ 其他疑难解答 ”。. 接下来,在 最常用的 下,选择 Windows 更新 > 运行 。. 运行完疑难解答后,最好重启设备。. 接 ...
在 Windows 中使用智能充电 - Microsoft 支持
启用智能充电后,你将在以下位置(任务栏右侧和电源 & 电池设置)的“电池”图标上看到一个心形。. 将鼠标悬停在“电池”图标上时,会显示“完全智能充电”,表示即使设备仍接通电源,电池也未充电。. 在这种情况下,电池电量可能低于 100%。. 这是有意 ...
如何更改用户帐户名称 - Microsoft 支持
若要更改登录的用户,请选择任务栏上的 “开始” 按钮。. 然后选择帐户名称图标或图片以查看可切换到的用户列表。. 选择要切换的其他用户。. 若要编辑显示的帐户名称,请选择帐户类型:. Microsoft 个人帐户 Microsoft 工作或学校帐户 本地帐户. 若要更新你的 ...
工作或学校帐户双重验证的常见问题 - Microsoft 支持
工作或学校帐户双重验证的常见问题. 有一些常见的双重验证问题似乎比我们任何一个想要的更频繁地发生。. 我们编写了这篇文章,以介绍最常见问题的修复方法。. Azure Active Directory (Azure AD) 组织可以为你的帐户启用双重验证。. 启用双重验证后,帐户登录需要 ...
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
在 Microsoft 帐户仪表板,选择“ 服务 & 订阅 ”以查看与此帐户关联的所有 Microsoft 产品。. 登录. 找到 Office 产品并选择“ 安装 ”。. 按照提示安装或重新安装桌面应用。. 选择 “安装高级 Microsoft 365 应用 ”,并按照提示安装或重新安装桌面应用。. 在“Microsoft ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
登录 Office - Microsoft 支持
如果尚未在 Office 文件或文档中,请打开一个应用(如 Word 或 Excel),然后打开现有文件或创建一个新文件。. 如果使用 Outlook ) ,请选择“ 文件 > 帐户 (或 Office 帐户 ”。. 如果尚未登录,单击“ 登录 ”。. 在“登录”窗口,键入用于 Office 的电子邮件地址和 ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac
双击 Office 文件无法在正确的 Office 程序中打开该文件 - Microsoft 支持
单击“开始”按钮。. 注意: 如果使用 Windows 7,只需单击“ 开始 ”>“ 控制面板 ”,然后可跳至下面的步骤 3。. 键入并选择“控制面板”. 选择“ 程序 ”>“ 程序和功能 ”。. 然后,选择要修复的 Office 产品,并选择“ 更改 ”。. 选择“快速修复”选项,然后 ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016