Office Settings & Configuration

How to Select a Different Microphone for PowerPoint Recording

Camila Milosovich Sep 27, 2026 869 views

Question details

The user needs to change the microphone used for PowerPoint recordings or troubleshoot why their preferred microphone is not being detected by the application.

How to Select a Different Microphone for PowerPoint Recording

Product: Microsoft PowerPoint
Device & OS: Windows
Scenario: Recording voiceovers or audio narrations for slides in a presentation.
Observed behavior: PowerPoint defaults to a specific system microphone, which might not be the desired input device, or the replacement microphone fails to be recognized during the recording process.

Before you start

Ensure your preferred external microphone is securely connected to your computer and that no other background applications (like Zoom or Teams) are currently taking exclusive control of the audio input.

Solution 1Recommended

Change the Default Input Device in Windows Settings

Because PowerPoint relies entirely on the system's default audio settings, you must select your microphone through Windows settings rather than inside PowerPoint.

PowerPoint does not feature an internal drop-down menu for microphone selection. To change the microphone PowerPoint uses, you need to set it as the default input device in Windows.

Open Windows Sound Settings

Click the Start menu and go to Settings > System > Sound.

Select Your Input Device

Scroll down to the 'Input' section. Click the drop-down menu under 'Choose your input device' and select the microphone you want to use for recording.

Restart PowerPoint and Test

Close Microsoft PowerPoint completely and reopen it. Start a new slide recording to verify that your selected microphone is now capturing the audio.

Change the Default Input Device in Windows Settings

Contacting Support: If you are submitting a support ticket regarding this issue, be sure to include a screenshot of the microphone you want to use and your PowerPoint version number (found via File > Account).

Solution 2

Troubleshoot Missing Microphones and Privacy Settings

Use this method if the microphone you want to select is entirely missing from your Windows input list.

How to Record Audio Seamlessly in WPS Presentation

If you are experiencing ongoing configuration issues with Microsoft PowerPoint, try using WPS Presentation. It offers a straightforward, built-in way to add audio narrations to your slides without complicated system workarounds.

1. Open your slide in WPS Presentation: Launch WPS Office and open your presentation file (.pptx or .ppt).
2. Navigate to the Insert tab: On the top menu ribbon, click on the 'Insert' tab to view your media insertion options.
3. Access the Audio tool: Click on 'Audio' and select 'Record Audio' from the drop-down menu.
4. Start recording: A recording dialogue box will appear. Click the red record button to start speaking into your default system microphone, then stop and insert the audio directly onto the slide.

Built-in audio recording feature accessible directly from the slide editor ribbon.Fully compatible with Microsoft PowerPoint (.ppt, .pptx) files so you never lose formatting.Lightweight design ensures smooth performance when recording slide narrations.

microsoft office alternative - wps office

Frequently Asked Questions

Can I select my microphone directly from inside PowerPoint?

No, Microsoft PowerPoint does not have an in-app microphone selection setting for standard voiceovers. It automatically uses the default recording device selected in your Windows System Sound settings.

Why does my microphone work in Zoom but not in PowerPoint?

Communication apps like Zoom allow you to choose a specific microphone within their own settings, independent of Windows defaults. PowerPoint relies solely on the system-wide default setting. You must change your default input in Windows Sound settings for PowerPoint to recognize it.

What should I do if PowerPoint still doesn't record sound after changing the settings?

Ensure that PowerPoint has permission to use your microphone. Go to Windows Settings > Privacy & security > Microphone, and make sure 'Let desktop apps access your microphone' is enabled. Also, check that your microphone isn't physically muted or turned down in the Windows volume mixer.

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