Add or invite people outside your org to a chat in Microsoft Teams
With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.
Applies To: Microsoft Teams
Surface update history - Microsoft Support
Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history.
Microsoft Teams help & learning
Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.
Windows 10 update history - Microsoft Support
Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.
Troubleshooting tips for installing and updating Microsoft Edge
Here’s how to reinstall Microsoft Edge whether you’re a Windows or Mac user: Open any working browser. (Note: If you’re a Windows user and your Microsoft Edge is not currently functioning, to open Internet Explorer, type IE in the search box on the taskbar and then select Internet Explorer from the results.Or press the Windows logo key on your keyboard and then type IE in the search bar.)
Account help
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.
How to use the Regsvr32 tool and troubleshoot Regsvr32 error messages
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Fix problems signing in to the Xbox app - Microsoft Support
On your PC, go to Xbox.com and select Sign in.If there are problems with your account, the instructions will help you solve them. If you can’t go beyond the sign-in screen, select Forgot my password and follow the instructions.
Outlook Express: Move your email to Outlook.com
To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.
| Xbox Support
需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。