In this guide
Insert an accessible music file on the slide where it should start, select its audio icon and choose Play in Background to play automatically across slides. Test the actual presentation, especially the start, transitions and ending.
To add music to PowerPoint, select the slide where the music should start, choose Insert → Audio and select an audio file. To start it automatically and continue across slides, select the audio icon, open Playback and choose Play in Background. Run the slide show and listen through a transition before sharing.
Use a music file you can access and have permission to use. A song available for streaming or offline listening is not necessarily a transferable file or licensed for your presentation.
Choose how the music should play
| Goal | Starting setting | What to check |
|---|---|---|
| One sound on one slide | Insert audio and select an automatic or clicked start. | It begins at the intended moment and does not mask narration. |
| Background music across slides | Select the audio icon and choose Play in Background. | Music begins on the intended slide and continues through transitions. |
| A fixed section of the show | Use desktop animation options to set when playback stops. | Count slides from the inserted audio's slide and rehearse the ending. |
| Spoken narration | Record slide-show narration or insert a prepared voice file. | Check spoken words and slide timings separately from the music. |
Add music on Windows or Mac
- Choose the starting slide. Open the presentation in desktop PowerPoint and select the slide where you want the song to begin. Save a working copy.
- Insert the file. On Windows choose Insert → Audio → Audio on My PC. On Mac choose Insert → Audio → Audio from File. Browse to the file, select it and insert it. Microsoft documents both versions in its cross-slide music guide; labels can vary by version.
- Set playback. Select the audio icon on the slide. On Playback, choose Play in Background for automatic playback across slides. For a single-slide cue, choose the desired Start option instead and review other playback settings.
- Rehearse. Start the slide show from before the audio's slide, advance through several slides and listen at the ending. Confirm the music level does not obscure any voiceover or speaker.
Stop music after a certain number of slides
In desktop PowerPoint, return to the slide containing the audio, open Animations → Animation Pane and select the audio entry. Microsoft describes opening the audio effect or Media Options and setting Stop playing → After a chosen number of slides. The exact dialog differs on Windows and Mac. Count from the slide containing the audio, then play through the transition to verify the result; the number is a slide count, not the number printed on the last slide.
If the file ends before the slide sequence, check its duration and whether looping is enabled. If it plays longer than intended, check both the stop setting and any other audio objects. Microsoft explains that Loop Until Stopped and Play Across Slides affect different aspects of playback.
PowerPoint for the web
Microsoft's cross-slide guide describes Insert → Audio and Play in Background in PowerPoint for the web, and lists MP3, WAV, M4A, AAC and OGA support. Its audio-insertion guide lists a 16 MB maximum file size. However, Microsoft's platform comparison describes web insertion differently. Availability can vary, so check the actual controls in your account. If insertion is unavailable, open the presentation in a supported desktop version and test the resulting file in the environment used for the presentation.
Prepare the music and balance the presentation
For a brief excerpt, the audio trimmer processes supported mono or stereo MP3 and WAV locally, with input limits of five minutes and 50 MiB; WAV output also has a 50 MiB limit. Download the prepared file, insert it into PowerPoint and check its beginning and ending. MP3 is re-encoded and can introduce slight delay or padding, so do not assume precise sync without listening.
Lower the music during speech and listen on the speakers your audience will use. If the presentation includes recorded narration, test a quiet sentence with music playing; see how to record a PowerPoint voiceover for slide-by-slide recording and timing checks. If the song comes from a mixed recording, separation is an estimate and may alter the result; use an original licensed instrumental when available.
Why is the music not playing?
- It starts only on a click: Select the audio icon and inspect the Start setting. Test in slide-show mode, not just editing view.
- It stops on the next slide: Check Play Across Slides or Play in Background, then rehearse from the slide that contains the audio.
- It plays twice: Look for another audio object on a later slide or a duplicated track. Remove or adjust the unintended copy and replay the transition.
- The recipient hears nothing: Test the actual file on the intended device and app, check output volume and confirm the audio file format is supported there.
Common questions
Can music start halfway through a presentation?
Yes. Insert it on the slide where it should begin and set its Start behavior. Run the show from an earlier slide to verify the cue.
Does Play in Background make music last as long as the presentation?
It sets the audio to start automatically and play across slides. Check the audio duration, looping and stop settings against your actual presentation timing.
Can I use any song I own?
Owning or accessing a song does not automatically give permission to include and distribute it in a presentation. Check the rights for the recording and your intended use.