About the Microsoft Support and Recovery Assistant
Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.
Applies To:
Outlook for Microsoft 365, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft 365 admin
Xbox Support
Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.
Internet Explorer Downloads - Microsoft Support
Download the latest internet browser recommended by Microsoft from the official support page.
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
Product activation for Windows – online & support telephone numbers
Learn how to activate Windows using an internet connection, automated system, or live support advocate.
What are IMAP and POP? - Microsoft Support
Learn the difference between IMAP and POP, and when to use each one.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 admin, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, New Outlook for Windows, Outlook Mail for Windows 10
How to open Registry Editor in Windows 10 - Microsoft Support
There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.
Learn about Microsoft Rewards - Microsoft Support
Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.
Applies To:
Microsoft account dashboard
Defragment your Windows 10 PC - Microsoft Support
Defragment your Windows 10 PC. Optimizing your drives can help your PC run smoother and boot up faster.
如何添加新的 Xbox 好友 | Xbox Support
了解如何添加新的 Xbox 好友，以便快速在线找到他们，为你的下一场游戏冒险做好准备。