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

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

联系 Microsoft 支持人员。查找常见问题的解决方案，或从支持专员那里获取帮助。

什么是敏感度标签？ 敏感度标签可手动或自动应用于文件，使其符合组织的信息保护策略。 敏感度标签指示 的分类，并且可以对文件应用保护。 组织自定义标签名称和说明。 请联系组织的 IT 部门，了解有关要应用哪些标签以及何时应用的其他信息。 敏感度标签将发布到用户而不是站点或邮箱等 ...

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Live stream yourself and your gameplay at the same time using a live streaming provider app with an off-the-shelf USB webcam. You’ll need a 1080p webcam that has a YUY2 or NV12 format to stream with it. Most Logitech and Microsoft LifeCam webcams have this format. If you’re not sure which format your webcam has, check with the manufacturer.

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的操作方法文章、视频和培训。

Open the app, go to the app's top-level menu, and then select Send feedback. After that, contact Support or go to the Microsoft Authenticator app forum and explain the problem you're seeing and the steps you tried.

When you try to create a new signature linked to your own account (cloud signatures), you notice that the newly created signature gets deleted after a while or you may find that the signature does not sync up with Outlook Web App (OWA).

排查Microsoft验证器问题 通过查看本文中的提示并查看一些已知错误，可以解决Microsoft Authenticator 的问题。