如何使用 Windows 11 中的任务栏 - Microsoft 支持
了解如何使用 Windows 11 中的任务栏功能。 使用任务栏设置隐藏任务栏、固定应用、更改位置等。
Product activation for Windows – online & support telephone numbers
Learn how to activate Windows using an internet connection, automated system, or live support advocate.
Manage notifications in Microsoft Teams - Microsoft Support
Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.
Applies To: Microsoft Teams
Set up an authenticator app as a two-step verification method
Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.
Contact Skype support - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Fix microphone problems - Microsoft Support
If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.
How to sign in to Outlook on the web - Microsoft Support
How to sign in to Outlook on the web, access your email, contacts, and calendar.
Applies To: Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, Outlook on the web for Exchange Server 2016
Open Device Manager - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
How to set up and test microphones in Windows - Microsoft Support
Get tips for how to set up and test microphones in Windows.
Protect a worksheet - Microsoft Support
To prevent other users from accidentally or deliberately changing, moving, or deleting data in a worksheet, you can lock the cells on your Excel worksheet and then protect the sheet with a password.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016