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How to Fix a SharePoint Lists Web Part Playlist Video That Will Not Play

Amos Gikunda Oct 10, 2026 869 views

Question details

A video fails to display or play when embedded within a SharePoint Lists web part playlist, even though it works normally in other areas like a document library.

Fix a SharePoint Lists Web Part Playlist Video That Will Not Play

Product: Microsoft SharePoint
Device & OS: not provided
Scenario: Viewing or managing a SharePoint site and attempting to play a media file embedded within a Lists web part playlist.
Observed behavior: The video plays correctly in a document library or Highlighted Content web part but completely fails to load, display, or play when added to the SharePoint Lists web part playlist.

Before you start

Verify that the original video file is not corrupted by playing it directly from the SharePoint Document Library. Also, ensure your web browser is fully updated and clear its cache before proceeding with troubleshooting.

Solution 1Recommended

Re-add the Video and Recreate the Web Part

Refreshing the playlist data and recreating the web part resolves most localized glitches causing video playback failures.

Often, the connection between the Lists web part and the video file can experience a temporary glitch. Refreshing the item or the web part itself is the most effective immediate fix.

Remove and re-add the video

Navigate to your SharePoint List playlist, remove the problematic video entry, and add the video back to the list. Check if the newly added item plays correctly.

Recreate the Lists web part

If the video still fails, click 'Edit' on your SharePoint page. Delete the current Lists web part, insert a new Lists web part, and point it to the same playlist.

Test alternative environments

Open the SharePoint page in a different web browser (such as Edge, Chrome, or Firefox) or connect to a different network to rule out local browser cache or firewall restrictions.

Re-add the Video and Recreate the Web Part

Test Across Multiple Browsers: Testing in an Incognito or InPrivate browsing window can quickly verify if browser extensions are interfering with the video playback.

Solution 2

Escalate to Microsoft 365 Administrator Support

If basic troubleshooting fails, the issue may be tied to a background tenant service that requires Microsoft Support intervention.

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Frequently Asked Questions

Why does the video play in the Document Library but not in the Lists Web Part?

The Lists Web Part uses different backend rendering and permissions to display playlists compared to a standard document library. A temporary caching glitch or a tenant-level service delay can cause it to fail even if the source file is perfectly fine.

Can browser extensions affect SharePoint web parts?

Yes. Ad blockers, strict privacy extensions, or script blockers can sometimes prevent media elements from loading within complex web parts like the SharePoint Lists playlist. Try disabling them temporarily or use an InPrivate/Incognito window to test.

How do I know if the issue is a tenant-wide Microsoft 365 outage?

Your Microsoft 365 administrator can check the Service Health dashboard in the Microsoft 365 Admin Center. Active advisories regarding SharePoint Online or Microsoft Stream will indicate if there is a known backend issue affecting video playback.

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