Fix Embedded Sound Missing from PDF in Microsoft Edge
Question details
The user is unable to see or play embedded audio files when viewing a PDF document using the Microsoft Edge web browser.

- Product
- Microsoft Edge PDF Viewer
- Device & OS
- not provided
- Scenario
- Attempting to play embedded sound or multimedia content within a PDF file opened directly in a web browser.
- Observed behavior
- The embedded audio file does not appear, or the audio icon is unresponsive and fails to play within Microsoft Edge.
Verify that your computer's audio is not muted and that the speakers are working correctly by playing a sound in another application before troubleshooting the PDF.
Open the PDF in a Dedicated Desktop Application
Web browsers often lack full support for advanced PDF multimedia features. Using a dedicated desktop PDF viewer resolves most embedded audio issues.
Modern web browsers prioritize speed and security by using built-in, lightweight PDF readers. These built-in viewers frequently omit support for interactive elements like embedded audio or video.
To ensure all embedded multimedia works as intended, you should open the document using a fully-featured desktop PDF application rather than relying on browser capabilities.
If you are viewing the PDF online, click the 'Save' or 'Download' icon in the top right corner of the Microsoft Edge viewer to save the file to your computer.
Navigate to the downloaded file, right-click it, select 'Open with', and choose a dedicated desktop PDF application like WPS PDF or Adobe Acrobat.
Once opened in the desktop app, locate the audio icon on the page and click it. You may be prompted to trust the document to allow multimedia playback.

Troubleshoot Browser PDF Extensions
If you must view the PDF within Edge, you may need to rely on a third-party extension rather than the default Edge viewer.
Use WPS PDF to Play Embedded Media
Bypass browser limitations by viewing your interactive PDF files with WPS Office. As a comprehensive desktop suite, WPS PDF provides reliable support for various PDF elements, ensuring you don't miss any critical multimedia content.
- 1. Install WPS Office: Download and install the free WPS Office suite on your computer.
- 2. Launch WPS PDF: Open the WPS Office application and click on 'PDF' in the left-side navigation menu.
- 3. Open Your Document: Drag and drop your PDF file into the workspace, or click 'Open' to browse your local folders for the document.
- 4. Play the Sound: Navigate to the page with the embedded media and click the audio icon to begin playback.

Frequently Asked Questions
Why do web browsers like Microsoft Edge struggle to play PDF audio?
Web browsers use built-in PDF rendering engines designed for fast loading and displaying static text and images safely. To prevent potential security vulnerabilities associated with executing scripts and multimedia, they often strip out or ignore advanced interactive features like embedded audio.
What audio formats are generally supported inside PDF files?
Most standard PDF viewers that support multimedia can play common formats such as MP3, WAV, and occasionally MP4 audio tracks. However, if the PDF was created using an outdated legacy format, even desktop viewers might require specific codecs.
Can I force the Microsoft Edge native PDF viewer to play sound?
No, the native PDF viewer built into Microsoft Edge does not support embedded multimedia playback. You must use a compatible browser extension or, ideally, a standalone desktop PDF application.
Is there a way to extract the embedded audio from the PDF to play it separately?
Yes. If you open the file in an advanced desktop PDF editor, you can often right-click the audio object or icon and choose an option to save or extract the embedded media file to your hard drive, allowing you to play it with a standard media player.




