Troubleshoot in Microsoft Teams - Microsoft Support
Having trouble using Microsoft Teams? Help solve your peskiest issues and frequently asked questions (FAQs) with this troubleshooting guide.
Applies To:
Microsoft Teams
Turn your presentation into a video - Microsoft Support
How to convert a PowerPoint presentation into a video, including narration, animation, and more.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Using the Windows Activation troubleshooter - Microsoft Support
Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.
Stop Microsoft Edge from starting automatically
Learn how to stop Microsoft Edge from starting automatically.
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
排查Windows 媒体播放器错误 - Microsoft 支持
Windows 媒体播放器是 Windows 附带的内置多媒体播放器。 虽然它是一个可靠且广泛使用的应用程序，但用户可能会不时遇到错误和问题。
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
了解如何在电脑或 Mac 上安装、重新安装或激活 Microsoft 365 或 Office 2019。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Learn about performance features in Microsoft Edge
Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.
Applies To:
Microsoft Edge
Microsoft 帐户安全信息和验证码 - Microsoft 支持
了解如何管理 Microsoft 帐户安全信息和排查验证码问题。
Applies To:
Microsoft account dashboard
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.