How to send automatic out-of-office replies from Outlook (depending on the type of email account you have).

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

可通过两种方法在 Android 手机或平板电脑上获取 Microsoft 365： 可以安装智能 Microsoft 365 Copilot 副驾驶®移动应用，该应用程序将 Word、Excel 和 PowerPoint 合并到单个应用程序中，并引入了以移动为中心的新功能来查看、编辑和共享文件，而无需在多个应用之间切换。 了解详细信息。

Compare Microsoft Copilot options to find the best AI-powered tools for your productivity and collaboration needs.

OneNote is a versatile digital notebook that allows you to capture thoughts, ideas, and to-dos, and sync them across all your devices. As part of the Office family, OneNote offers a familiar interface and integrates seamlessly with other Microsoft Office applications. Availability OneNote is available on multiple platforms: Windows Mac iPad iPhone Android Web Want more than OneNote? Try ...

Find out how you can achieve more with Microsoft Copilot, your AI companion on macOS.

注意 Microsoft Authenticator 不适用于 电脑或 Mac，因为验证器应用是出于安全原因为智能手机设计的。 了解详细信息。 Microsoft不再支持超过一年的 Authenticator 版本。 始终使设备保持最新状态。 中国用户应 了解如何在中国下载和使用 Microsoft Authenticator。