What If MP4 Won’t Play on Mac OS X


“I can’t Play MP4 video on quicktime , Please Help !!”

“Just wondering if you can play MP4 video files on OS X without having to install or buy anything. I’ve had such a pain with my windows machine in trying to find codecs to play these files. Gah! Just wondering if the Mac is also easier on this end too. I can’t wait till Leopard because I’m jumping off this windows ship asap.”

As the above users, you may get have the confusion is it possible to play MP4 on Mac OS X or have met the trouble can’t play MP4 in QuickTime on Mac. In this article, we aim to explain the reasons why we can’t play MP4 on Macand offer you the solution to open and view MP4 files on Mac OS X efficiently.

Why Cannot Play MP4 Video Files on Mac

– Absence or incorrect installation of right Codec on Mac to play MP4 video
– Faulty media player on Mac in which MP4 file is tried to play
– Abrupt termination of media player or Mac system while playing any MP4 file may damage the file and make it unplayable when played next time
– Incomplete conversion or compression of MP4 video files

How to Fix MP4 Not Playing on Mac OS X

Method 1. Download Best MP4 Players for Mac

QuickTime is a multimedia framework developed by Apple Inc., capable of handling various formats of digital video (MP4, MOV), media clips, sound, text, animation, music, and interactive panoramic images. If the default QuickTime can’t play your MP4 videos, try an alternative.

VideoLAN VLC Media Player

VLC player supports all the video and audio streams including MP4. You need not to install any codecs or filters to play .mp4 files.

Plex Media Center for OS X

Plex (a.k.a. Plexapp), is an open source media center for Intel-based Apple Macintosh computers, it has a 10-foot user interface design for the living-room TV. It supports a bunch of video formats including MP4.

Method 2. Repair Broken MP4 Video Files

If MP4 video files are corrupt, Mac may not play such videos in any of the multimedia players. In this case, you’d better download and install a video repair software to fix unreadable MP4 files on Mac OS X.

Method 3. Convert MP4 to Mac OS X More Compatible Format

As we know, MP4 is a container format. A part of MP4 files doesn’t play on Mac may due to codec issues sometimes. To make the most of your MP4 video files, you’d better convert MP4 files to Mac or any other device, editing software, and media player friendly formats. To do it, you can try Brorsoft Video Converter for Mac.

It enables you to convert MP4 to MOV for playing on Mac OS X(macOS Sierra) easily without any quality loss. Besides, it lets you directly convert MP4 videos to iPhone, iPad, Apple TV, iTunes, Final Cut Pro, iMovie or many some other media devices, video editing programs friendly format with the best quality. What’s more, this Mac video converter is built with a video editor, which lets you touch up the video as you like.

Step 1. Import MP4 files from “Add Video”.

Step 2. Choose a proper output format for your source MP4 file in the output format list.

Step 3. Perform MP4 conversion by clicking on “Convert” in bottom right corner of main UI.

When the conversion is completed, you can either play your MP4 movie on your Mac, or transfer the output file to your iPad, iPod, iPhone to enjoy anytime and anywhere.

Related Guides:
5 Best Free VOB Player for Mac OS X(macOS Sierra)
Two Options to Play WMV on Mac OS X(Sierra, El Capitan)
Top 3 Ways to Play FLV on Mac (El Capitan included)
Tips for Playing ISO on Mac OS X (El Capitan/Yosemite)

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