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How to Fix PowerPoint PPSX Linked Videos Not Playing Automatically
Question details
The user needs to know how to get linked videos to play automatically when opening a PowerPoint Show (PPSX) file in a web browser.
- Product
- Microsoft PowerPoint
- Device & OS
- not provided
- Scenario
- Playing a PPSX presentation containing externally linked videos through PowerPoint for the web or another web browser.
- Observed behavior
- The videos play normally in the PowerPoint desktop application but fail to play in the browser, showing the error message 'Sorry, we can't play the media in this presentation', even when the video file is stored in the exact same folder.
Verify that your web browser is fully updated to the latest version and ensure your internet connection is stable enough to handle external media streaming.
Host the Linked Video on a Supported Online Platform
Using a recognized video hosting service ensures the browser can reliably access and play the media without relying on restrictive local file paths.
Web browsers use strict security sandbox protocols that prevent them from automatically accessing local files on your computer, such as an MP4 placed next to your PPSX file. Hosting the video online bypasses this restriction.
Upload your MP4 file to a supported video hosting platform such as YouTube, Vimeo, or Microsoft SharePoint/Stream.
Once uploaded, copy the direct sharing URL provided by the hosting platform.
Open your presentation in the PowerPoint desktop app. Go to the 'Insert' tab, click on 'Video', and select 'Online Video'.
Paste your video URL. After the video is inserted, click on it, navigate to the 'Playback' tab, and set 'Start' to 'Automatically'. Save the file as a PPSX.
Embed the Video Directly into the Presentation
Embedding the video eliminates external link dependency and browser path issues, though it will increase your overall presentation file size.
Try WPS Office for Seamless Presentation Management
If you are frustrated by PowerPoint's web playback limitations and file size restrictions, consider switching to WPS Office. It provides a lightweight, highly compatible, and completely free alternative to Microsoft Office, ensuring your presentations perform reliably across devices.
- 1. Download the Installer: Visit the official WPS Office website and click the free download button for your operating system.
- 2. Install WPS Office: Run the downloaded installation file and follow the simple on-screen instructions to set up the software.
- 3. Open Your Presentations: Launch WPS Presentation, open your existing PPSX or PPTX files natively, and present without playback hassles.
Frequently Asked Questions
Why does my PPSX video play on my desktop but not in the browser?
Desktop applications have direct access to your local file paths and native media codecs. Web browsers, however, are restricted by security protocols from accessing local files (like a linked MP4 in the same folder) and require proper online hosting or direct embedding to play media.
Does saving the presentation in PPTX format fix the video playback issue?
No. Changing the format from PPSX (PowerPoint Show) to PPTX (PowerPoint Presentation) will not resolve browser playback issues for externally linked videos. The core issue lies in how the web browser resolves the file path, not the presentation file extension.
How can I reduce the file size of a PowerPoint presentation with embedded videos?
You can compress the media files directly within the PowerPoint desktop app. Navigate to File > Info > Compress Media, and select a lower resolution, such as Standard (480p) or HD (720p), which will significantly reduce the final file size.
