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Microsoft Teams Microphone Not Working (SOLVED)

Microsoft Teams supports both audio and video calls. When you initiate a call, the app, like other messaging apps, will automatically use the default mic and speakers, or the default communication device for the call. If you can hear other people in a call, but they cannot hear you, it’s possible the Microsoft Teams is unable to detect the mic.

Run Mic check

This may be a problem with Microsoft Teams, or it might be a problem with the mic you’re using. Check the mic before you proceed.

  1. Open the Start menu and go to the Apps list.
  2. Look for the Voice Recorder app. This is a stock Windows 10 app.
  3. Open it, and make a small recording.
  4. Play it back and check if what you recorded was detected. If it was, your mic is working. If no sound was detected, make sure it has been configured correctly and then try the fixes below.

Microsoft Teams Microphone Not Working [Fixes]

Below are some methods you can use to resolve microphone problems on Microsoft Teams.

1. Updating Skype for Business

It may sound odd but Skype for Business can and does occasionally interfere with other Microsoft apps installed on Windows 10.

  1. In your browser, go to the Skype for Business download Page and download the latest Skype for Business build available.
  2. Install the downloaded package.
  3. Reboot the system and launch Microsoft Teams and see if your Microphone is now working.

2. Check Microphone settings in Microsoft Teams

Make sure Microsoft Teams is using the correct microphone.

  1. Open Microsoft Teams and click your account at the top right.
  2. From the menu, select Settings.
  3. On the Settings window, go to Devices.
  4. Select your Mic from the Microphone dropdown.
  5. Restart Microsoft Teams.

3. Checking Microphone Privacy Settings

Microphone control on Windows 10 can be set on a per-app basis. Some apps can be allowed to use it, while others can be blocked from accessing it. Make sure Microsoft Teams has access to it.

  1. Open the Settings app.
  2. Go to the Privacy group of settings.
  3. Select the Microphone tab.
  4. Make sure you see the “Microphone access for this device is on” message at the top. If you do not, click Change, and enable access.
  5. Scroll down and make sure the switch next to Microsoft Teams is On.
  6. Restart Microsoft Teams.

4. Reinstalling Microsoft Teams

Some of the Microsoft Teams community maintains that the only way forward for this issue’s resolution is with a clean reinstall. We will recommend going for this method after you have tried and tested all other fixes :

  1. Open Control Panel.
  2. Navigate to Programs > Programs and Features.
  3. Select Microsoft Teams and click Uninstall at the top.
  4. Allow the application to fully uninstall and then restart the computer.
  5. Download and reinstall the latest version of Microsoft Teams on your computer
  6. Check to See if Microphone issue is resolved.


Microphone issues on Microsoft Teams can be caused by a whole lot of reasons on your PC and the solving of such issues can be different for each individual. Do take your time and try the above methods as most definitely one would work for you. Also, if you have a working solution to this problem, please do share it with the community in the comments section below.

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