In Sound settings, go to Input to see your connected microphones. If it's a Bluetooth microphone, select Add device.

了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。

This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files.. What is a digital signature?

Windows 允许添加多个用户帐户以使用同一设备，使每个用户都有自己的设置、文档和应用程序。 例如，家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件，而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。

Examples. Example 1. This example uses SORT and UNIQUE together to return a unique list of names in ascending order. Example 2. This example has the exactly_once argument set to TRUE, and the function returns only those customers who have had service one time.

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.

From the Start menu or apps list, press and hold (or right-click) an app, then, if available, select Pin to taskbar .

Outlook app crashing. If the Outlook mobile app crashes when you open it, clear the browser's cache on your device. Then remove the app and re-install it.

Sign in to www.office.com from a web browser and start using the apps on the web or access other web services associated with your account such as OneDrive.. How you sign in to an installed Office app depends on your device.

We would like to show you a description here but the site won’t allow us.