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Published on December 30, 2025
You record a video, send it to someone, or upload it online, and then you get the message:
“I can’t open this file.”
Most of the time, the problem isn’t the video itself. It’s the format.
MOV is a video format developed by Apple.It’s commonly used by:
iPhones and iPads
macOS devices
Apple video editing software like Final Cut
MOV files can be very high quality, which makes them great for recording and editing. The downside is that MOV isn’t universally supported.
Problems usually appear when MOV files leave the Apple ecosystem.
Common issues include:
Windows or Android devices not opening the file
video players missing the required codec
large file sizes that are hard to upload or share
So even though the video plays perfectly on your iPhone or Mac, it may fail on other devices or platforms.
MP4 is the most widely supported video format today.
It works smoothly on:
Windows and macOS
Android and iOS
websites, email, and social media platforms
MP4 offers a great balance between video quality and file size, which is why most platforms prefer it.
Instead of troubleshooting playback issues or installing extra software, the easiest solution is to convert the video.
By converting MOV to MP4, you make the video:
compatible with almost any device
easier to upload and share
less likely to cause playback errors