How frustrating is it to not be able to enjoy your favorite movies or personal videos because your MOV files won't play? But no need to worry. Now that you have come to this article, you can learn why such a problem happens and how to quickly fix MOV files not playing with seven effective methods. Please read for more details.

Tips. In most cases, MOV video not playing is because the MOV format is not supported. You can easily and instantly convert MOV to a format accepted by your device using this free MOV converter:
Michelle Michelle | Jul 10, 2023

Why Won’t MOV Files Play?

There are various reasons why MOV files cannot be played. But usually, it can be due to the following factors:

MOV format not supported – Your media player (such as an older version of Windows Media Player) may not support the .mov file extension. In this case, all your MOV files will not play in this media player.

Incompatible MOV codecs – If your media player supports the MOV format, but some MOV files still won’t play, or MOV files do not play incorrectly, such as MOV file not showing video, MOV file no sound, it is likely that the MOV codecs are incompatible with your media player.

Outdated or malfunctioning media player – It is possible that your media player is missing a component to play MOV files smoothly. This is largely because you are using an outdated version of the media player.

Damaged or corrupted MOV file – You may have downloaded or transferred the MOV file incorrectly, and therefore you cannot open the MOV file. In this case, all video software may fail to recognize and play the MOV file.

Now you’ve known the main causes of MOV files won’t play, let’s explore the solutions to resolve this matter below.

Instant Fix - Convert MOV to Play Smoothly

If some of your MOV files won’t play, try converting these unplayable MOV files to a format compatible with your media player and this will fix the problem in no time. All you need is a simple video converter – WonderFox Free HD Video Converter Factory. Download the software now to fix your .mov file not playing in just a couple of clicks!

How to Fix MOV File Not Playing?

1. Convert MOV file

An effective way to fix MOV won’t play is to convert the MOV file to a video format supported by your media player.

WonderFox Free HD Video Converter Factory is a powerful yet easy-to-use video converter program that can convert between different video formats. With excellent format support, it can easily convert your MOV files to a format supported by your media player or device.

Besides changing the file format, it also supports codec conversion, which can quickly convert MOV codec to the most popular format (H.264/AAC) to fix unsupported video format. Then you should have no problem playing the MOV file.

Now, let’s see how to convert MOV to fix the MOV file not playing. Download and install Download and install the free software to get started:

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Step 1. Launch the video software on your PC and click the Converter module.

Step 2. In the converter program, click Add Files or the center + button to import the unplayable MOV file. Alternatively, you can directly drag and drop the source file into the blank interface.

Step 3. Click the format image on the right side of the program. Then under the Video tab, select H264 (MP4 - H264/AAC) as the output profile.

Step 4. Press the ▼ button to set an output folder and click Run to start the conversion process.

Convert MOV file

2. Install MOV codecs

Apart from converting MOV files, you can also download the missing codecs for MOV files to fix the MOV video not playing issue.

Common codecs for MOV include MPEG-2, MPEG-4, H.264, H.265/HEVC, Apple ProRes, GoPro Cinepak, and more. You can check the codec of your MOV file and download the exact missing MOV codec from online sources.

On Windows, you can download and install some video extensions for MOV from the Microsoft Store. But you can also download the MOV codecs from the official websites to use on both Mac and Windows computers. It is also recommended that you download a codec pack, such as K-Lite Codec Pack or Media Player Codec Pack for Windows and the MPEG-4 codec pack for Mac.

After downloading the needed codec, just click on it and complete the installation. Now, restart your media player and try to play your MOV file in it. The MOV file not playing problem may go away this time.

3. Update your media player

Outdated media players may be missing certain components or valid settings to play media files properly. Updating the media player to the latest version can resolve most playback issues at once. That is, if the QuickTime player can’t open MOV, the first thing you should try is to update your QuickTime player. Follow the steps below to finish the update.

Step 1. Open QuickTime.

Step 2. Click on QuickTime Player and select Update Existing Software.

Fix QuickTime Not Playing MOV

If you are using Windows Media Player to play your MOV file, make sure that you have upgraded this app to the latest Windows Media Player 12, which has native support for MOV format to play the common MOV files. Here is how to update Windows Media Player.

Step 1. Type “Turn Windows features on or off” in your Windows search bar and select the matching result.

Step 2. Scroll down the options and expand Media Features.

Step 3. Uncheck the box before Windows Media Player.

Step 4. Click OK and then restart the computer. The current version of WMP is now removed.

Step 5. Repeat steps 1 and 2.

Step 6. Check the box before Windows Media Player.

Step 7. Click OK and then restart the computer. Now, the latest version of WMP is installed.

Try to play your MOV file in the new media player and see if it works.

Fix Windows Media Player Won’t Play .mov

4. Fix MOV file in VLC

VLC can fix damaged or incomplete AVI files. You can take advantage of this to fix your MOV video as well. But first, you need to make a copy of your MOV file, then rename the new file with the .avi extension. Next, follow the steps below to fix the video file in VLC.

Tips. If you haven’t installed VLC on your system, you can install the latest version at By the way, VLC is an all-format cross-platform video player. When you can’t play an MOV file or can’t open an MOV file in QuickTime or Windows Media Player, you can directly throw your MOV file to VLC and see if it plays.

Step 1. Open the new file in the VLC media player. Then click Tools > Preferences.

Step 2. Click the Input/Codecs tab and navigate to Damaged or incomplete AVI file.

Step 3. Expand the option box and select Always fix.

Step 4. Click Save and then let the program fix your video.

Fix MOV file in VLC

Note: Sometimes renaming .mov to .avi won’t work and you need to convert MOV to AVI first. You can use the free video converter mentioned in method one or convert the file in VLC directly.

5. Increase cache values in VLC

If your MOV file plays choppy or stutters in VLC, you can increase the cache values in the VLC settings to try to fix this issue. Here are the instructions.

Step 1. Open VLC.

Step 2. Select Tools > Preferences.

Step 3. In the new dialog, find Show settings at the bottom left corner. Then select All.

Step 4. Scroll down to find the Input/Codecs option on the left side, then navigate to the Advanced section on the right side.

Step 5. Increase the File caching (ms) to 1000.

Step 6. Click Save and then restart the app.

Now, play your MOV file in VLC and see if it plays smoothly.

Increase cache values in VLC

6. Try another media player

If your MOV file still won’t play in your media player, you can try playing it in a different video player.

There are many MOV players available for both Mac and Windows systems. The most famous applications include


• VLC media player


• PotPlayer

• GOMPlayer

• KMPlayer, and so on.

7. Redownload or repair the MOV file

If the above methods all fail, chances are high that your MOV file is damaged or corrupted. You can either download the MOV file again or repair the MOV file using professional video repair software. Just make sure that you back up the original MOV file in case of data loss.

In Conclusion

MOV file not playing could be due to an unsupported MOV format, missing MOV codec, outdated media player, or corruption in the MOV file itself. Fortunately, you can fix this kind of issue by adopting the seven methods in this article. In addition, if you find that MP4, MKV, or other video files are not playing, you can also follow the solutions here to fix the problem.

That’s all I want to share about why the MOV file won’t play and the corresponding fixes. I hope this article was useful to you. Thanks for reading till the end. Have a nice day!


1. Why won’t MOV play on VLC?

VLC is a universal format player that plays virtually every type of video file. But if VLC fails to play your MOV file, it may be that

1. Your MOV video is damaged or corrupted;

2. Your MOV video is encrypted;

3. Your MOV video has an incompatible codec.

2. Why can’t I play a .mov file on Windows Media Player?

Windows Media Player has added support for MOV format in the latest version (Windows Media Player 12), but if some MOV files don’t play in Windows Media Player, you need to consider the following causes:

1. The current Windows Media Player is outdated;

2. The MOV file has an unsupported codec, such as HEVC and Apple ProRes;

3. The MOV video is broken;

4. The MOV video is DRM-protected.

3. Why is QuickTime unable to play MOV file?

QuickTime Player can play most MOV files out of the box. But when your QuickTime is outdated or the MOV file uses an inappropriate codec, QuickTime may not be able to recognize and play your MOV file.

4. Why does the MOV file plays audio only?

The main cause of MOV file playing only audio but no video is that the video codec in MOV isn’t supported by your media player. On the contrary, if the audio codec is not supported, the MOV file will be played without sound. You need to change or install the codec, or try a different video player to play MOV files easily.

5. How do I convert MOV to MP4?

You can convert MOV to MP4 using a free MOV to MP4 converter like WonderFox Free HD Video Converter Factory. Simply add your MOV to the program, select MP4 as the output format, then you can start the conversion immediately.

By converting MOV to MP4, you can make your video playable on more devices and platforms.

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