Fix MP3 and WAV Audio Files Not Playing in OneNote
Question details
Users are unable to play inserted MP3 and WAV audio files directly within OneNote.

- Product
- Microsoft OneNote
- Device & OS
- Windows
- Scenario
- Attempting to play attached or inserted audio files within OneNote.
- Observed behavior
- Clicking the Play button on an inserted audio file does nothing, even though the same files play correctly in Windows Media Player.
Ensure your computer's default audio device is working properly and that you have completed a standard Office repair before proceeding with advanced troubleshooting.
Perform a Clean Boot to Identify Software Conflicts
Booting Windows with a minimal set of drivers and startup programs can help determine if background software is interfering with OneNote's audio playback.
Often, third-party applications or background services can conflict with Microsoft Office applications, preventing media files from functioning correctly. A clean boot isolates these services so you can identify the culprit.
Press the Windows key + R, type 'msconfig' into the Run dialog box, and press Enter to open the System Configuration window.
Navigate to the 'Services' tab, check the box at the bottom that says 'Hide all Microsoft services', and then click the 'Disable all' button.
Switch to the 'Startup' tab and click 'Open Task Manager'. In Task Manager, select each startup item and click 'Disable', then close Task Manager.
Click 'OK' in the System Configuration window and restart your computer. Once restarted, open OneNote and try playing the audio file again.

Isolate the Issue Between OneNote Versions
Testing the audio file in both OneNote 2016 and OneNote for Windows 10 helps determine if the playback failure is isolated to a specific app version.
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Frequently Asked Questions
Why do audio files play in Windows Media Player but not in OneNote?
Windows Media Player operates independently of Office components. OneNote relies on internal Office media handlers, which can sometimes be blocked by conflicting background applications or corrupted Office installations.
What audio formats are officially supported in OneNote?
OneNote generally supports standard audio formats such as MP3, WAV, and WMA. However, ensuring that your Windows operating system has the correct and up-to-date media codecs is essential for smooth playback.
Will repairing Microsoft Office fix OneNote audio issues?
An Office repair is a good first step, but it may not always solve the problem if a third-party application is causing interference. If a repair fails, performing a clean boot in Windows is the recommended next step.




