Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements.

The SUMPRODUCT function returns the sum of the products of corresponding ranges or arrays.The default operation is multiplication, but addition, subtraction, and division are also possible. In this example, we'll use SUMPRODUCT to return the total sales for a given item and size:

The following communication site shows a footer that's been added. Labels and links appear on the right side of the footer. When you add labels and links to your footer, they follow the Edit link and appear to the right.. On your site, select Edit on the right side of the footer (Edit appears on your footer after you've turned the footer control on).

Training: Learn how to create a shareable link to make it easy to share files in a document, email, or IM.

In our example data, we used the name DeptSales.. Use the following rules for table names: Use valid characters Always start a name with a letter, an underscore character (_), or a backslash (\).Use letters, numbers, periods, and underscore characters for the rest of the name.

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

注意: 如果连接到电脑的设备（例如显示器、打印机或扫描仪）在从睡眠状态或休眠状态唤醒后不能正确工作，你可能需要先断开设备连接并重新连接或重新启动电脑。还应确保你具有适用于所有设备的最新驱动程序。

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Voice Recorder is an app for recording lectures, conversations, and other sounds (previously called Sound Recorder). Hit the big Record button (1), and Add a marker (3) to identify key moments as you record or play (2).Then you can Trim (5), Rename (7), or Share your recordings (4), which are saved in Documents > Sound recordings.Select the Delete icon (6) to delete your recording, or See more ...

Indexing the contents of your PC helps you get faster results when you're searching it for files and other things. Learn how it works. What is indexing?