联系 Microsoft Office 支持人员. 针对 Microsoft 365 的专业直接支持提供额外的咨询支持和主动服务，以帮助规划、实施、维护和优化Microsoft 365 解决方案，这些解决方案符合业务需求，并提供反应式支持来帮助你完成工作。

Issues that are fixed in this update. The following issues are fixed for .NET Framework 4.7.2. SQL Server (SQL) Fixes an issue in which the .NET Framework API SqlConnection.ConnectionString property is used to set a null or empty connection string. In this situation, a Null Reference Exception (NRE) occurs when you use the API together with .NET Framework 4.7.2.

The Snap feature is a great way to improve your productivity by sharing many app windows in a single screen. Different layouts are available with many sizes to choose from, so you can get the most from your favorite apps when you are working on specific tasks.

With Edge Chromium, you can add multiple profiles. Profiles allow multiple users to operate in a shared environment while maintaining access to their personalized browser settings, bookmarks, and extensions.

Chat lets you connect with others, stay up to date on projects, and express yourself, whether you're in the office, at home, or on the go with the Microsoft Teams app. In Teams, you'll see three types of chats: One-on-one chats: to connect with people individually.

Die Anzeigesprache, die Sie auswählen, ändert die von Windows-Features wie Einstellungen und Datei-Explorer verwendete Standardsprache. Spracheinstellungen öffnen

打开“开始”菜单。 ... 若要打开“开始”菜单（其中包含你的所有应用、设置和文件），请执行以下任一操作：

首先尝试以下操作. 首先尝试执行以下操作来帮助你解决连接问题或缩小该问题的范围。 运行获取帮助以排查和修复常见的连接问题。右击任务栏右侧的网络图标，然后选择“诊断网络问题”或打开“获取网络和 Internet 帮助”

Establishing internet boundaries is an important way to protect yourself and your family from inappropriate web content. Microsoft Family Safety web and search filters work across any Windows, Xbox and mobile device that has the Microsoft Edge browser and Family Safety apps installed.

当更新可用时，Windows 10 移动版将自动下载并安装更新。Windows 10 Fall Creators Update 包括用于 Windows 10 手机的其他功能和改进。