Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience.

Did this resolve your issue? Check the Xbox services, games, and apps for any service outages.

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

Import photos and videos from an iPhone to PC. Transfer photos from an iPhone to your PC. First, connect your iPhone to a PC with a USB cable that can transfer files. Turn your phone on and unlock it. Your PC can’t find the device if the device is locked.

In Teams, you can quickly and easily sign in to and switch between multiple accounts and organizations. Search and chat are also streamlined for more seamless collaboration. Note: Signing in to multiple accounts is currently available on the Teams desktop apps for Windows and macOS.

了解 Microsoft Teams 中的频道。. 标准频道可供 Teams 中的所有团队成员使用。. 大多数通道都是标准通道。. 如果需要特定主题的较小特定受众，可以使用专用频道。. 共享频道用于与团队或组织内外的人员协作。.

默认情况下，所有团队成员都可以创建频道。. 标准频道面向所有成员开放，发布的任何内容均可供他人搜索。. 如果特定项目需要较少的受众，可以为团队创建一个专用频道。. 有关详细信息，请参阅 Teams 可以具有标准频道或专用频道 。. 注意: 在 Microsoft Teams ...

如果你是频道所有者，则可以与组织内部或外部的人员共享频道。 如何与人员共享频道 转到要共享的频道，然后选择“ 更多选项 ” > 共享频道 > 与 其他人 共享 。