选择 任务栏 右侧"网络"图标，然后移动"亮度 "滑块以 调整亮度。（如果未显示滑块，请参阅下方的“备注”部分。） 某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。

Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.

Utilisation des raccourcis clavier. Les raccourcis clavierpermettent d’effectuer des actions à l’aide de votre clavier. Ils sont appelés raccourcis, car ils vous permettent de travailler plus vite.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Microsoft Edge comes with built-in accessibility options such as making text larger, having the web read aloud to you, keyboard shortcuts, and more.

Learn how to record or create macros and execute them using buttons or keyboard shortcuts in Microsoft Office applications.

注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Learn how to set up your user account for multifactor authentication with Microsoft 365.

Verwenden Sie Ihr Microsoft-Konto, um sich bei Microsoft-Diensten wie Windows, Microsoft 365, OneDrive, Skype, Outlook und Xbox Live anzumelden.