Om du vill ha support i Outlook.com klickar du här eller välj Hjälp på menyraden och anger frågan. Om självhjälpen inte löser problemet rullar du ned till Behöver du fortfarande hjälp? och välj Ja.. Om du vill kontakta oss på Outlook.com måste du logga in. Om du inte kan logga in klickar du här.. Om du vill ha mer hjälp med ditt Microsoft-konto och prenumerationer går du till ...

功能 LOOKUP LOOKUP函数在一行或一列中查找值, 并将其与另一行或列中相同位置的值相匹配。 下面是一个查找公式语法的示例: = LOOKUP (Lookup_Value, Lookup_Vector, Result_Vector) 下面的公式在示例工作表中查找 Mary 的年龄: = LOOKUP (E2, A2: A5, C2: C5) ...

Observação: A melhor e mais segura maneira de obter atualizações de driver no Windows é sempre por meio do Windows Update.Se você estiver tendo problemas com o Windows Update, verifique primeiro se algum dos links em Atualizar o Windows pode ajudá-lo.

Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Note: This article explains the minimum system requirements for running Windows 11 on a PC. Minimum system requirements are designed to provide a great computing experience across a variety of devices, now and into the future.

注意: 某些相机将不会显示在“相机设置”页中。其中包括用于 Windows Hello 人脸身份验证的红外线 (IR) 摄像头、使用 DirectShow 技术（如 DSLR 或运动相机制造商提供的便于将其设备用作网络摄像头的许多应用）的相机，以及不由 Windows 管理的专有相机，例如工业相机和许多网络摄像头。

Note: Some cameras won't appear in the Camera settings page.These include infrared (IR) cameras used for Windows Hello Face authentication, cameras using DirectShow technology (like many apps provided by DSLR or action camera manufacturers so their devices can be used as webcams), and proprietary cameras that aren't managed by Windows—such as industrial cameras and many networked cameras.

提示： 视频不以你的语言提供？ 请尝试选择隐藏式字幕 。 若要编辑 PDF，请在 Word 中打开它。 这最适合主要包含文本的 PDF。 在 Word 中，书籍章节的 PDF 或类似复印机的文档的 PDF 格式不正确。

The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.