How to Add a Voice-Over to PowerPoint

PowerPoint for Windows can record narration itself. PowerPoint for Mac and the web can only insert audio files, so record an MP3 here and add it to your slide.

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Press the button and allow the microphone when your browser asks.

Recorded in your browser. Nothing is uploaded.

PowerPoint for Windows: record in the slide

  1. Go to the slide and choose Insert › Audio › Record Audio.
  2. Type a name, click Record and speak. Click Stop, then Play to check.
  3. Click OK to keep it. Drag the audio icon where you want it.

To narrate the whole presentation with timings, use PowerPoint’s slide show recording.

PowerPoint for Mac and the web: record here, then insert

  1. Record each slide’s narration with the recorder above, keeping MP3. Crop the start and end, then Download.
  2. In PowerPoint, select the slide and choose Insert › Audio:
    • Mac: Audio from File, then choose your MP3.
    • Web: Audio from your computer (MP3, WAV or M4A, up to 16 MB).
  3. Select the audio icon and, on the Playback or Audio tab, set Start to Automatically if you want it to play with the slide.

Record with your slides in view

The Voice Recorder extension for Chrome opens in the side panel next to PowerPoint for the web, so you can read each slide while you record it. Each take is saved in a library where you can crop and download it.

Tips for clear narration

Using Google Slides instead? See how to add audio to Google Slides.

Updated October 16, 2026

Voice Recorder for Chrome: record while you work in other tabs

Our free Chrome extension records in Chrome’s side panel, so it keeps going while you work in other tabs. It saves as it records, so a crash or a closed browser loses only the last few seconds.

  • Records your microphone, the sound of a browser tab, or both in one file
  • Records your computer’s sound on Windows and macOS 14.2 or later
  • A library of your recordings: rename, search, crop, play at 0.5×–2× and download
  • MP3 up to 320 kbps, WAV or WebM, with pause and resume
  • No account. Nothing is uploaded.
Add the extension to Chrome

Free · 40,000 users · rated 4.8 in the Chrome Web Store
For Chrome on Windows, Mac, Linux and Chromebooks.

Voice Recorder in Chrome’s side panel, recording the sound of a lecture in a tab

Questions and answers

Can PowerPoint record audio?

PowerPoint for Windows can: Insert › Audio › Record Audio records narration for one slide. PowerPoint for Mac and for the web insert audio files but don’t record them, so you record the file first.

Which audio files can I insert?

MP3 works everywhere. PowerPoint for the web accepts MP3, WAV, M4A, AAC and OGA files up to 16 MB, which is more than 10 minutes of MP3 at 192 kbps.

Should I record one file per slide?

Yes. It’s easier to redo one slide, and each clip starts when its slide appears.

How do I make the narration play automatically?

Select the audio icon, open the Playback (or Audio) tab, and set Start to Automatically.

More free extensions from our team

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