WMP MP4 Solution – Open MP4 in Windows Media Player

Can Windows Media Player Play any MP4 Files? According to Microsoft Official Website, Windows Media Player does support playing MP4 videos. If your Windows Media Player won't play MP4, two reasons cause the issue: 

Reason 1: That's probably because MP4 include different video codecs, such as MPEG-4 and H.264 etc. and not all of video codecs in MP4 can be accepted by WMP. If the MP4 video or audio codec is not WMP installed codec supported one, Windows Media Player won't play MP4 video of this kind.

Reason 2: Your MP4 video is fake or corrupt. Play them on other players and devices to check if this is the reason. 

In case like this, this article will provide 2 methods to successfully open any MP4 file on Windows Media player: Either you can convert the files to a format that can be played by Windows Media Player using Dimo Video Converter Ultimate, or you can install MP4 codec packs. 

Add MP4 to WMP

Method One. Convert MP4 to Windows Media Player recognized WMV, ASF, AVI, etc

To play MP4 files with a non-Microsoft codec in Windows Media Player, you'd better to convert MP4 to Windows Media Player compatible WMV, ASF, AVI, MKV, MPG, etc. at first. Well, Dimo Video Converter Ultimate is just the ideal MP4 to WMP Converter which supports converting all kinds of MP4, HD MP4, 4K MP4 to Windows Media Player supported video format.

Get the Best MP4 to WMP Video Converter:

  • Powerful Media Solution: Allows you to convert HD Videos, Standard Videos, Audio formats as well as Blu-ray/DVD file formats.
  • Convert Videos to Popular formats: Supports all types of popular formats such as MKV, AVI, WMV, MPEG, MOV, FLV, MP4, VOB, H.265, WMA, MP3, WAV, FLAC, etc. along with other 180+ media formats.
  • Flexible Video Export Presets: Use any of the optimized presets to directly export videos to any multimedia or portable devices like Android, iDevices, VR devices, gaming systems etc.
  • Edit MP4 Videos: Edit and enhance MP4 videos by trimming, rotating, cropping, special effects or add watermarks.
  • Use Media Server to share Videos: Easily share local favourite video folder to devices in the same network.
  • Compatible with Windows 10/8.1/8/7, as well as macOS 10.13 High Sierra, 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion and 10.7 Lion.

people have downloaded it

How to convert MP4 to WMP Supported Format?

Please read through the tutorial below on how to convert MP4 to WMP on Windows (Windows Media Player 12 included).

1. Import MP4 files to this MP4 to WMP converter

Install and run this smart app. Then you have two ways to import MP4 files. Directly drag one MP4 file to this app or go to "Add File".

WMP video converter

2. Choose Windows Media Player supported format

Click the "Select Format" drop-down button to select Windows Media Player more compatible format:To convert MP4 to Windows Media Player video format, select WMV, AVI, or ASF from the "Format > Video" Category;To convert MP4 to WMP audio format, select WMA, MP3, or WAV from the "Format > Audio" Category; To convert HD/4K MP4 to WMP video format without quality loss, select HD AVI or HD WMV from the "HD Video" Category.

Tips: Click the "Settings" button to adjust the video or audio quality, codec, bitrates, file size, audio volume, audio channel and etc.

Windows Media Player supported format

3. Edit MP4

The smart WMP video converter additionally offers some useful edit functions to enhance your video. Click the Edit button to get it. The editing functions enables you to customize own MP4 videos in the following ways: 

A. Trim – Split the video clips to choose your favorite part of the MP4 movies.
B. Adjust – Rotate or crop the video frame size for better visual effects on the player.  
C. Effects – You can change the video effects like Deinterlace, Denoise, Emboss, etc.. 
D. Watermark - Add text watermark to make your video with copyright.
E. 3D
- Create vivid 3D SBS/TB/Anaglyph from source MP4 video for watching on 3D TV, 3D Players, VR headsets, etc..

Trim video

4. Start to convert MP4 to Windows Media Player

Now, you need to hit "Start" to convert MP4 to Windows Media Player supported format. When the conversion is done, click "Open" to locate the converted WMV file on your laptop or computer. At this time, you can drag these WMV output files to WMP or use your windows your windows browser to navigate to the converted file and double click to run the video.

Play video on Windows Media Player

Method Two: Install MP4 Codecs for Windows Media Player

Another way to play MP4 in Windows Media Player is installing some MP4 codecs for Windows Media Player. You can find different types of packs on the Internet such as CCCP – combined community codec pack- and K-LITE.

1. K-Lite Codec Pack 

One of the best codecs for Windows Media Player is the K-Lite Codec Pack. The K-Lite Codec Pack lets Windows Media Player play many file formats, including MP4, MKV, OGG and FLAC. The codec pack is available in different-sized packages: basic, standard, full and mega. The larger packs contain more codecs and include a lightweight media player called Media Player Classic. 

To download the K-Lite Codec Pack, navigate to the Codec Guide website and click "Download". Select a mirror from which to download the software. Once it has downloaded, install the software. Restart the computer and then play the MP4 file.

K-Lite Codec Pack

2. Codecs from microsoft.com 

This is the second and a relatively tech savvy process that should be followed in this regard to make sure that the user gets the best result. It is also to be noted that the complete information about the installation is available at the URL here whereas to download the codecs it is advised to paste the URL during the process to make sure that the right direction is again taken. The complete process is as follows: 

Step 1. The mp4 file that is giving the error is to be played using the media player so that the following error appears: 

Error message

Step 2. It is also to be noted that the web help button is to be pressed to proceed further in this regard and to make sure that the process advances: 


Step 3. WMPlugins.com is the ink that is then to be followed: 


Step 4. Within the search bar as it has been mentioned before as well the link i.e. the URL is to be pasted to get the results: 

Installation package

Step 5. The download button is to be pressed and the prompts are to be followed to make sure that the codec is installed and the player should be restarted to make sure that the process ends in full and the file is played without any issue.

Now the issue of "Windows Media Player won't play MP4" is resolved with very simple method especially the first one. Or you can try the alternative MP4 player to ensure smooth MP4 video playback on Windows (10). Note you should not delete your MP4 files from your computer simply because Windows Media Player cannot play them. What an amazing tour it is!

Extended Knowledge

About MP4

MP4 is the global file extension for the official container format defined in the MPEG-4 standard. It can allow you to combine different multimedia streams into one single file, such as video, audio, and picture etc. To create MP4 files you should preferably use audio and video, even picture formats covered by the MPEG-4 standard:

1. MP4 video formats: MPEG-4 SP/ASP, MPEG-4 AVC/H.264, MPEG-2, MPEG-1
2. MP4 audio formats: Advanced Audio Coding (AAC) and AC3, MP3, MP2, MP1, CELP, TwinVQ (very low bitrates), SAOL (midi), ALS (lossless)
3. MP4 subtitle/text format: MPEG-4 Timed Text (see question 7)
4. MP4 picture formats: JPEG, PNG

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