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[Solved] 4 Practical and Useful Ways for Windows Media Player WebM Playback

Author by Flora

Updated on Aug 23, 2023

Wondering why I can't play WebM format files on Windows Media Player? Looking for a solution to this problem? You have come to the right place. I will introduce you 4 working methods to troubleshoot Windows Media Player WebM playback error. Just read and follow.

Tips. You are recommended to download this free tool to convert and play WebM files on Windows Media Player right away:

How to Play WebM Files on Windows?

Q: I had Windows 7 and Windows Media Player 12 was the default for playing WebM videos. It was already set up this way...but now with Windows 10, it doesn't even know what they are, it says the extension is unknown to the player. Does anyone know what's up with this?

A: In fact, WebM is a container format for web streaming. It usually contains VP8, VP9, or AV1 video codecs and Vorbis or Opus audio codecs, however Windows Media Player does not officially support these codecs. So you cannot directly use Windows Media Player to play WebM video. However, there are some solutions to this problem. Below, you can learn 4 easy ways to fix Windows Media Player WebM playback issues. Continue reading.

Solution 1 - Install WebM Media Foundation Components (No Longer Supported)

WebM Windows Media PlayerWebM Windows Media Player

For Windows Media Player 12 on Windows 7 or 8, you can install WebM Media Foundation Components to bring back the WebM video support.

Step 1: Firstly, please download and install the components below

Step 2: Once you have installed the components, you can play your WebM file directly. As for how to view WebM files on PC, it’s clear that I don’t have to say more.

Solution 2 - Convert WebM to Windows Media Player Supported Formats

Convert WebM File to WMV

WonderFox Free HD Video Converter Factory is a free and powerful Windows-based WebM converter that can help you convert WebM files to other formats supported by Windows Media Player, such as WMV or MP4 for smooth playback. Follow the simple steps below to start converting right away.

Before start, please free downloadfree download the freeware and launch it.

Step 1: Open the Converter interface and load your WebM file into the program by clicking Add Files button or dragging it into the interface directly.

Step 2: Open the formats list on the right and choose WMV as your file output format. It also allows you to convert WebM to MP4 in the same way.

Step 3: Click the ▼ button to choose the output path and press the Run button to start the converting process. After the conversion, you should be able to play the converted WebM in Windows Media Player without any problem.

Solution 3 - Install WebM Codec for Windows Media Player

WebM Windows Media PlayerWebM Windows Media Player

Windows Media Player lacks the WebM codecs to play WebM files. Therefore, you can install external WebM codecs to fix the issue.

Step 1: Download the K-Lite Codec Pack

First of all, visit There are 4 types of codec pack for you to choose: Basic, Standard, Full and Mega. If there is no other requirement, just download Basic. It contains the essentical codecs needed for WebM playback.

WebM Codec Windows Media PlayerWebM Codec Windows Media Player

Step 2: Install the Windows Media Player WebM Codec

Follow the prompts to install the K-Lite Codec Pack step by step. Choosing the Installation Mode as Normal mode. Then just press Next button to go on your installation. Note: when you are choosing the video player, you must choose Windows Media Player and all others choose the default option. Now you can use the Windows Media Player to play WebM videos.

Solution 4 - Play WebM with Windows Media Player Alternatives

The easiest way is to play WebM files through a third-party WebM player such as VLC player and KMPlayer, etc. VLC player is a free and open player that can play all the mainstream video and audio formats without additional codecs required. If you don't have it, you can download it from the official website. It is very easy to play WebM file in VLC directly.

Now I have told you four ways to solve the problem that WebM files can't be played in Windows Media Player. You can choose the way you like to solve your problem. If the article is useful to you, please share it with others.

Convert Multiple WebM Files in Batches

convert WebM files

WonderFox HD Video Converter Factory Pro

WonderFox HD Video Converter Factory Pro can help you convert WebM files to other formats in a batch mode which saves your time to view WebM files. What’s more, it allows you to edit your file easily such as cutting your file, cropping file, adding effects to file.

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