How to Troubleshoot Dictation and Audio Drivers in Microsoft 365
Question details
The user needs to resolve microphone and voice dictation failures in Microsoft 365 or Windows Voice Access.

- Product
- Microsoft 365
- Device & OS
- Windows
- Scenario
- Attempting to use the Dictate feature in Microsoft 365 or Windows Voice Access, but the microphone fails to capture audio.
- Observed behavior
- Voice dictation does not work and may display error messages like 'Dictation can’t hear you' due to incorrect permissions or outdated audio drivers.
Verify that your microphone is properly plugged in, powered on, and securely connected to your computer before adjusting system settings.
Verify Windows Microphone Privacy Permissions
Ensure that Windows is allowing desktop applications like Microsoft 365 to access your microphone.
Windows has strict privacy settings that can block applications from accessing your microphone, even if the hardware is working perfectly.
Click the Start menu, open Settings, and navigate to Privacy & security > Microphone.
Ensure the 'Microphone access' toggle is turned on.
Scroll down to find the 'Let desktop apps access your microphone' toggle and switch it to the On position, then restart Microsoft 365.

Update System Audio Drivers
Outdated or corrupted audio drivers can prevent dictation software from detecting your voice.
Configure Microsoft 365 Dictation Settings
If your microphone works in other applications but fails in Office, the internal Dictate settings may need adjustment.
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Frequently Asked Questions
Why does Microsoft 365 display the 'Dictation can't hear you' error?
This error typically occurs when the microphone is muted, not set as the default recording device in Windows, or lacks the necessary privacy permissions to be accessed by desktop applications.
How can I tell if my dictation issue is caused by Windows or Office?
You can isolate the issue by testing your microphone in a non-Office application, such as Windows Voice Recorder or a web browser. If it works there but not in Word, the issue is specific to Microsoft 365. If it fails everywhere, it is a Windows or driver issue.
What should I do if updating the audio driver doesn't fix the dictation issue?
If updating the driver fails, try reinstalling it. Right-click the microphone in Device Manager, select 'Uninstall device', restart your computer, and let Windows automatically reinstall the default audio driver.




