“I paid for and downloaded an .mp4 file, but was told that my Quicktime Player couldn’t open it. I’ve never had this problem before, .mp4 being my usual download format, and i have some MKV format video,which also can not open with QuickTime Player, so anything wrong and how to solved it?”

“quicktime will not play .mov, Quicktime will not play .mov format video. No picture. No sound. Just black.”

“I have a number of movie files that will not open and play with my QuickTme player even though they are .avi files. How could I fix this because I want to play these AVI files with QuickTime.”

Apple provides you with a number of media-handling options in OS X, with QuickTime being the core service for displaying video; however, there will likely be times when you have downloaded a video file that simply will not play in QuickTime. Even if the document looks like a QuickTime file, when opening it you may receive an error that prevents you from viewing its contents.

Why QuickTime Player Cannot Play Some MP4/MKV/MOV/AVI/FLV/WMV/DivX, etc Videos

There are many problems which users usually encounter while trying to play MP4, MKV, MOV, AVI, WMV, FLV, DivX, files on QuickTime Player. Below listed are some common reasons that cause MP4, MKV, MOV, AVI, WMV, FLV, DivX, files cannot be played.

  • Unavailability of plug-ins which are necessary for playing the files.
  • QuickTime Player is not completely installed or the software source is corrupted.
  • Steps and terminologies mentioned for playing MP4, MKV, MOV, AVI, WMV, FLV, DivX, formats are not followed properly, especially in the case of CDs.
  • The codecs required to play files on QuickTime Player are not installed effectively.

How to Play AVI, WMV, FLV, WMV, MKV, DivX in QuickTime Player in macOS Sierra/Mac OS X El Capitan/Yosemite/Mavericks?

There were several people who would like to revert to run QuickTime 7 in Yosemite/Mavericks with Perian plugin to quick look and playback MP4, MKV, MOV, AVI, WMV, FLV, DivX, etc. Still, there are more people who would like to stick to QuickTime Player as it is pre-installed in Yosemite/Mavericks and it is the latest technology with modern interface and cool functions such as play high definition 1080p movies and airplay. Then is there any way to preview MP4, MKV, MOV, AVI, WMV, FLV, DivX, etc video files and play them in QuickTime Player? In fact, it is quite easy as long as you own the powerful Video Converter for macOS Sierra/Mac El Capitan/Yosemite/Mavericks.

By converting QuickTime Player unfriendly MP4, MKV, MOV, AVI, WMV, FLV, DivX, etc format video to QuickTime Player support MP4 video, you can easy play your movie files with QuickTime Player.

Introduces Powerful Video Converter for macOS Sierra/Mac El Capitan/Yosemite/Mavericks

Aiseesoft Video Converter for Mac offers the easiest way to convert popular video and audio formats on Mac, you can convert files like MP4, M4V, MOV, Divx, AVCHD, MKV, AVI, MTS, MXF, MP3, WMA, AAC, OGG, etc. for iPad, iPhone, iPod Touch, Apple TV, QuickTime, iTunes, iMovie, Final Cut Pro (X), Android tablets, Android Smartphones and more, rich output formats are optimized. You can get video or audio formats converted to any formats while preserving video/audio quality on Mac.

With Acrok Video Converter for Mac, you can personalize video files easily. It is easy to trim the length of video clips, add text or image watermark to the video, remove pillarbox, letterbox, and windowbox from videos, merge video files into a single one, convert 2D to 3D, add subtitle and adjust video effect like contrast, brightness, hue, saturation and volume. What’s more, you can customize the output parameters for the video preview the video effect before conversion.

Key Features

* Convert any video to QuickTime Player supported MP4, MOV, M4V
* Convert video & audio to and from MP4, MKV, MOV, AVI, WMV, FLV, DivX, etc.
* Convert 250+ video and audio formats
* Support transcoding HD/4K contents from Camcorders & Cameras
* Export professional encoders for FCP, Premiere, iMovie & more
* 150+ ready presets for iPhone, iPad, Samsung Galaxy Tab and other mobile devices
* Support batch conversion with fast speed and excellent quality
* Edit videos through trimming, cropping, adding watermarks/effects, etc.

How to Convert MP4, MKV, MOV, AVI, WMV, FLV, DivX, etc to QuickTime Player supported MP4 to Play in Quicktime Player?

Free download Video Converter for Mac. Install and launch the program.

Step 1: Import video files MP4, MKV, MOV, AVI, WMV, FLV, DivX, etc to the video converter for macOS Sierra/Mac OS EI Capitan/Yosemite/Mavericks

Press on “Add Files” button on the main interface to import the files you want to convert.

macOS Sierra data recovery

Step 2: Set output format as MP4

Click on “Profile” drop-down. Move to “General video” tab and choose “MPEG-4 Video(*mp4)” as the output format.

video format you want to output

Step 3: Start convert MP4, MKV, MOV, AVI, WMV, FLV, DivX, etc

Press on “Convert” button at the bottom right to start conversion. Then you can easily play or preview your movie files in QuickTime Player.

Thanks for sharing!
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