This security update provides the latest changes for the Windows Security app. The update is composed of the Windows Security app and its underlying service. This update applies to only Windows 11 devices (build 22000 or later) To determine the current running version of the Windows Security app, run the following PowerShell command: Get-AppPackage Microsoft.SecHealthUI Windows Security ...

Learn more about why Microsoft 365 users can't open or view attachments in Outlook on the web. Share your files safely There are several ways to send and receive a blocked file. You can save the file to the cloud and send a link to the file, use a file compression utility like WinZip, or even rename the file with another extension, then have your recipient change the name back to the original ...

This page features a list of common error codes and solutions. Learn how to find your error code quickly.

A file in SharePoint, OneDrive, or Teams is blocked. What do you do? Read this article to learn why this is happening and steps you can take.

How to manage your mobile device on your PC? Now you can link and manage your mobile devices directly from your PC. This link between your Android device and PC provides instant access to your mobile device with just a few simple steps. The following are required for this to work: A PC running Windows 11. An Android device running Android 8.0 or later. For the best compatibility and ...

注意: 可在此处找到 中国客户支持的设备列表 Microsoft 支持。

Summary Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality. On Windows consumer devices, this update helps remediate smooth functioning of Windows Update. For commercial devices, this update is recommended for Windows ...

Frequently asked questions (FAQs) about Smart App Control, a Windows feature designed to block malicious, untrusted, or potentially unwanted apps from running on your device.

For easy email and calendar management, we recommend you set up email in the Outlook for Android mobile app.

如果尝试附加大于最大大小限制的文件，将收到错误消息。 有几种方法可以解决此大小限制，包括使用文件共享服务或压缩文件。 Outlook 会限制可发送的文件的大小。 此限制可防止计算机持续尝试上传超出大多数 Internet 服务提供商限制的非常大的附件。 对于 Outlook.com 或 Gmail 等 Internet 电子邮件 ...