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Finding an M4V video file corrupted can put your job in danger or cause you heartache. When you try to launch a movie, a seemingly random error number may appear. Although confusing, this can all be fixed by following a few straightforward procedures.
This article includes instructions on how to repair corrupted M4V files on your Mac as well as ways to tell if a video file is corrupt.
Workable Solutions | Step-by-step Troubleshooting |
---|---|
Fix 1. Repair M4V Files with Software | You can use a video repair application for Mac to fix the damaged M4V video file if the M4V video...Full steps |
Fix 2. Convert the M4V Video File | Always think about relocating or changing the M4V video file format to another video file format...Full steps |
Fix 3. Changing the File Extension | This approach can transcode the file to another through its settings, which allows for identification...Full steps |
Fix 4. Download from Reliable Source | Most of the time. Network troubles prevent your video file from downloading correctly...Full steps |
M4V is a video file format developed by Apple. The file may be corrupted or damaged if your M4V file doesn't open in QuickTime, iTunes, or any other video player.
If this happens, try downloading the M4V video file once more or see if you have a backup. Play the M4V file you re-downloaded using the QuickTime player before giving other third-party media players a shot. Try the methods below if an M4V file won't play on any media player.
What Causes M4V Files to Get Corrupted
M4V's usage is restricted to supporting video files on Apple products only (iPhone, iPad Air, iPad Pro, iPod, MacBook, iTunes Store, etc.). However, it is one of the most widely used video container formats streaming over the internet because of its excellent compression and low bandwidth consumption.
Videos still risk being corrupt when handled carelessly, regardless of the file format you select to store them in. Here we mainly talk about the M4V form on Mac. If you're looking for more formats' solutions on Mac video repair, visit the linked page. Different factors might cause the type of video files to become corrupt:
- They first become corrupt when they are improperly converted to other file formats.
- Or when a system failure occurs suddenly while editing or transferring M4V files.
- When a virus enters your Mac or other storage devices, M4V files are vulnerable to destruction.
- Additionally, when there is a power outage, your computer shutting down instantly causes file corruption.
- Another common cause of faulty M4V files has also been shown to be system crashes.
- A broken video download can also harm the M4V files already on your PC.
- Lastly, bad sectors on your Mac drive also lead to damaged video files.
How to Repair Corrupted M4V Files on Mac
Let's say that when watching a video, the audio becomes damaged. If the movie keeps cutting off or your video player warns you that the file cannot be played, data corruption may be to blame. Data corruption is a common problem for Mac users, and in most cases, customers remove the corrupted video files and start over. However, several practical methods might help you deal with these problems. You will learn how to repair corrupted video on Mac in this section.
Fix 1. Repair Corrupted M4V Files on Mac with Software
You can use a video repair application for Mac to fix the damaged M4V video file if the M4V video is corrupted on your Mac computer. The first on our list is EaseUS Data Recovery Wizard for Mac. In addition to being a Mac data recovery tool, EaseUS Data Recovery Wizard for Mac has a new function for video repair.
The software can fix 17 more video formats in addition to MOV, M4V, and MP4. You may even use it to repair damaged video files while being edited or compressed. It corrects minor distortions and recovers damaged data. Before saving the converted videos, you can also preview them.
EaseUS Data Recovery Wizard for Mac
- You can use it as a Mac data recovery tool to recover permanently deleted files, films, images, audio, and videos.
- You can recover and repair M4V files from an external hard drive, SSD, USB flash drive, SD card, or any other storage device.
- With this tool, you may also make a bootable recovery USB to recover data from a crashed Mac.
Install this data recovery and video repair tool on your Mac, then read the instructions below to learn how to recover data and fix a corrupt M4V video file.
Note: You can create a backup first by clicking the "Disk Backup" on the left. The software will extract the corrupted videos from the backup image and repair them. It can prevent further damage to files, making it safer and more reliable.
Step 1. Add your broken/damaged videos
Open EaseUS Data Recovery Wizard for Mac. Click "Add" or drag the corrupted MP4/MOV/AVI/MKV/3GP/FLV/MKV/WMV video files to the repair list.

Step 2. Start repairing video files
Select the damaged video files from the list and click the "Repair" button to start the video repairing process. If you want to repair all of the videos, click "Repair all".

Step 3. Preview and save broken videos
After a few minutes, you can find the damaged videos repaired. Before clicking the "Save to" button, click "View in Finder" to check the videos.

Step 4. Utilize the advanced repair mode
If the videos are not repaired successfully, it means the videos were damaged severely. You need to move on to the "Advance Video Repair" mode, which utilizes sample video files to increase the video repair rate. Click "Add" to upload corrupted videos.

Step 5. Check the videos and start video repair
The video repair tool will check and scan your video automatically. After the process, click "Start repair" to repair the severely damaged videos.

Finally, you can view the videos in Finder and click the "Save to" button to save the repaired video files to an appropriate destination.
Fix 2. Convert the M4V Video File Format
To solve M4V files, always think about relocating or changing the M4V video file format to another video file format, such as AVI, MP4, MOV, and more. You can open and watch your M4V file without issues once the file format conversion has succeeded.
Simply follow the directions below to do this:
Step 1. Launching VLC Media Player on Mac.
Step 2. Merely click the Media option after that. Next, select "Convert/Save" from the menu.
Step 3. Add the corrupted M4V files you wish to convert.
Step 4. Pick MP4 or any similar video file type from the displayed Profile.
Step 5. To select the destination file and run the file name, select the "Browse" option.
Step 6. Click "Start" to convert the M4V file to MP4, AVI, or another file format.
Fix 3. Repair Corrupted M4V Videos by Changing the File Extension
This approach can transcode the file to another through its settings, which allows for identifying and correcting any problems brought on by compression or editing. This is how you do VLC video repair:
Step 1. Make a copy of the damaged video file on your Mac, then start VLC Media Player.
Step 2. Next, change the copy's file extension to ".avi" and save it in the location of your choice. In this format, VLC will automatically detect mistakes. Allow the file to convert for a few minutes fully.
Step 3. Select the "Tools" bar from the menu. And you will see the Preferences at the bottom.
Step 4. Select the required input and codec from the Preferences menu, then save your selection.
Step 5. Choose "Always Fix" to finish.
After you click Always Fix, the VLC video player will automatically begin scanning the corrupt ".avi" file and performing the necessary repairs. Give the procedure a minute, and a fresh, working movie will be available.
Fix 4. Download M4V File Again from the Reliable Source
Most of the time, network troubles prevent your video file from downloading correctly, which can result in playback problems or faulty video. In addition, downloading the video files via the wrong places may corrupt the files.
Therefore, ensure your internet is reliable before downloading M4V or other video files. And to avoid future file corruption, always choose to get your videos from a reliable source to your Mac.
Error Messages: When M4V Video Corrupts
Here we have listed the common error messages that might occur when crossing the M4V files corruption issue.
- "The M4V video cannot be opened."
- "Problem with an incorrect format."
- "Memory/SD card error."
- "Problem with incorrect length."
- "M4V files not found"
If the M4V video file doesn't open or play, you can also assume that the media player doesn't support the M4V video format. To play it again, convert M4V to MP4 using a free video converter.
If the M4V files are not found, you should consider whether you have deleted them. But don't worry; you can recover deleted videos on Mac with the help of EaseUS's data recovery software.
Final thoughts
Your M4V files may become corrupt for various reasons, including corrupt header files, virus intrusion, inappropriate read or write operations, power outages, download problems, etc. However, EaseUS Data Recovery Wizard for Mac is a dependable solution you can rely on in these circumstances. This application is efficient since it quickly and successfully fixes many corrupt files.
Repair Corrupted M4V Files FAQs
After reading the post, you may doubt repairing corrupted M4V files. We hope you can learn more things from the following 4 questions:
1. What are M4V files?
Apple created the video file format M4V. It is primarily utilized in Apple platforms and devices. M4V is comparable to MP4, except M4V is generally DRM-protected. iTunes and QuickTime on a Mac can open and play M4V video files. You can use a few media players on Windows to play M4V files that are not DRM-protected.
2. How to can you open and play M4V files?
To play M4V files on a Mac, use iTunes or Apple QuickTime Player. M4V videos can also be played on other media players, including RealPlayer, MPlayer, and VLC media player.
3. How do I fix a corrupted M4V file on a Mac?
Download video restoration software, such as EaseUS Data Recovery Wizard for Mac, to repair a corrupted M4V file on a Mac. Press the Repair button when the app is open, then wait a few minutes while it works. Once all necessary adjustments have been completed, preview the video to ensure they were all made before saving it.
4. How to repair a corrupted video file using VLC?
Older VLC users might discover that there isn't even a dedicated entry for "File Repair," much less one for M4V repair. The VLC video repair feature only applies to video files with the AVI extension. This does not imply that VLC cannot fix an M4V movie. So the M4V file format can be changed to AVI.
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Dany is an editor of EaseUS who lives and works in Chengdu, China. She focuses on writing articles about data recovery on Mac devices and PCs. She is devoted to improving her writing skills and enriching her professional knowledge. Dany also enjoys reading detective novels in her spare time.

Written by Dany
Dany is an editor of EaseUS who lives and works in Chengdu, China. She focuses on writing articles about data recovery on Mac devices and PCs. She is devoted to improving her writing skills and enriching her professional knowledge. Dany also enjoys reading detective novels in her spare time.
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