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How to set up and test microphones in Windows - Microsoft Support
Select Start > Settings > System > Sound. In Input, select the microphone that you want to test. In Input settings, look at Input volume while speaking into the microphone. If the bar moves while you speak, your microphone is working properly. If don't see the bar moving, go to Test your microphone and select Start test.
Help with Microsoft Store purchases - Microsoft Support
Country/region. Microsoft Store sales support. Technical or download support. Egypt +20 2 353 3333. Technical support. South Africa. 0800 167 344. Technical support
适用于: Microsoft 帐户仪表板
Make text and apps bigger - Microsoft Support
This affects, for example, title bars, menus, and icon texts. To go to the Accessibility settings on your computer, press the Windows logo key+U or select Start > Settings > Accessibility. Select Text size. Drag the Text size slider to the right to increase the size of the sample text. Once you're happy with the text size, select Apply.
How to use the taskbar in Windows - Microsoft Support
If you want to change multiple aspects of the taskbar at one time, use Taskbar settings. Press and hold (or right-click) any empty space on the taskbar, and then select Taskbar settings. In the Taskbar settings, scroll to see the options for customizing, choosing icons, and much more. Note: The Taskbar settings allow you to align taskbar icons ...
Change privacy settings in Windows - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Install Windows 7 Service Pack 1 (SP1) - Microsoft Support
To manually install SP1 from Windows Update: Select the Start button > All programs > Windows Update. In the left pane, select Check for updates. If any important updates are found, select the link to view available updates. In the list of updates, select Service Pack for Microsoft Windows (KB976932) and then select OK.
Add or subtract dates - Microsoft Support
In the following example, you'll see how to add and subtract dates by entering positive or negative numbers. Enter the number of days to add or subtract in column B. You can enter a negative number to subtract days from your start date, and a positive number to add to your date. In cell C2, enter =A2+B2, and copy down as needed.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Troubleshoot in Microsoft Teams - Microsoft Support
My camera isn't working. My microphone isn't working. My speaker isn't working. My audio quality is poor. Reduce background noise. My volume is too low. Turn off automatic video. Join a Teams meeting on an unsupported browser. Breakout rooms troubleshooting guide.
适用于: Microsoft Teams
Quick start: Create a macro - Microsoft Support
For more information, see Show the Developer tab. In the Code group on the Developer tab, click Record Macro. Optionally, enter a name for the macro in the Macro name box, enter a shortcut key in the Shortcut key box, and a description in the Description box, and then click OK to start recording. Perform the actions you want to automate, such ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Microsoft Teams help & learning
Sign in to Teams. What's new in Teams. Record a meeting. Delete a chat. Find and join a team. Change your status. Manage your notifications. Change your meeting background. Reduce background noise in a meeting.