Troubleshoot buying issues with Microsoft Store
Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.
Applies To:
Microsoft account dashboard
Send feedback to Microsoft with the Feedback Hub app
Learn how to use Feedback Hub to report problems or send suggestions to Microsoft.
如何登录或注销 Outlook.com - Microsoft 支持
如果无法登录 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户，或者不确定如何登录或注销，请尝试以下解决方案。
Applies To:
Outlook.com
Use @mentions to get someone's attention in Microsoft Teams
To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears.
Applies To:
Microsoft Teams
Microsoft Edge 說明與學習
取得 Microsoft Edge 的協助和支援。 尋找 Microsoft Edge 支援內容、使用方法文章、教學課程等等。