Quicktime Player For Mac Sierra

This Mac video converter is fully compatible with macOS High Sierra, Sierra, El Capitan, etc that has enhanced compatibility with MP4 files encoded with various video and audio codec including H.264, H.265, Photo-JPEG, AAC. It allows you batch load multiple files into the program and output QuickTime player best compatible MOV format with H.264. For Mac users, after upgrading to the new macOS High Sierra, the good news is that you can still run QuickTime player on this new operating system. Have no idea how to make good use of QuickTime player on macOS High Sierra, the following article will show you how to play, edit and record video with QuickTime player on macOS High Sierra.

January 11, 2021Amanda Brown

QuickTime Player is a built-in media player and screen recorder for Mac users. It enables you to play video and audio, record Mac screen, edit and share files on your Mac. You can easily watch various MP4 or MOV videos in this default player. However, many users reported that QuickTime not working on Mac, especially when they upgraded to the latest macOS High Sierra. Are you facing the QuickTime Player doesn’t play a video or audio file issue on Mac?

Besides the MP4/MOV/AVI playback problem, you can see other QuickTime not working issues on the internet. For instance, the QuickTime Player won't launch, mirror iPhone to Mac QuickTime not working, and the QuickTime screen recording errors. Here in this post, we will share effective solutions to help you deal with the QuickTime not working on Mac.

Quicktime Player For Mac High Sierra

  • Part 1. How to Fix QuickTime Player Won't Launch
  • Part 2. How to Fix QuickTime Player Can’t Open MOV/MP4 File
  • Part 3. How to Fix QuickTime Screen Recording Errors
  • Part 4. FAQs of QuickTime Not Working on Mac

Part 1. How to Fix QuickTime Player Won't Launch

Various reasons will cause the QuickTime Player won’t launch problem, such as a corruption in the macOS, or in the files associated with the QuickTime. In that case, when you run the program, the video playing window won’t appear on the desktop.

When you get the QuickTime Player won’t open issue, you can try restarting your Mac first to solve the problem. You can take the regular way to shut down your Mac. Wait for a few seconds and then restart Mac. After that, you can try opening QuickTime Player again to check if the problem is solved.

To fix the QuickTime not working on Mac, you can also choose to re-install the QuickTime software. You can uninstall the QuickTime Player and then back to the App Store or official download page to install the latest version of QuickTime Player to your Mac.

Part 2. How to Fix QuickTime Player Can’t Open MOV/MP4 File

When you encounter the problem that QuickTime MOV not playing on Mac, or QuickTime Player can’t play an MP4/AVI file, you should first play the file with another media player. You should know that, many unsupported video codecs will cause the QuickTime not playing issue on Mac.

You can try playing the media file with another player to check if the file is corrupted. You need to rely on a video repairing tool if it is a corrupted file. Otherwise, you can rely on a media player like VLC to help you view the video. You can also try restarting Mac or re-installing QuickTime to fix the QuickTime not playing MP4 or MOV issue.

Part 3. How to Fix QuickTime Screen Recording Errors

As it mentioned above, QuickTime offers a high-quality and stable screen and audio recording service for Mac users. It enables you to capture 4K video even up to 3840x2160 resolution. However, many users get the QuickTime screen recording errors like stuck on finishing, and quit unexpectedly, and so on.

When you face the QuickTime Player quit unexpectedly window, you should check the hard drive and make sure you have sufficient storage in your Mac. Here you can open Disk Utility, choose the hard drive and then click Repair > Repair Disk Permissions to fix the issue.

If you get the mirror iPhone to Mac QuickTime not working problem, you need to check the USB cable first. Here you can switch to another Apple's lightning cable to connect your iOS device and Mac. If the problem is still there, you can choose to update macOS to solve the problem. When the QuickTime screen recording freezes or screen recording is stuck on finishing, you can also try updating Mac operating system to fix the issue.

You can also get a QuickTime alternative to make the video and audio recording on Mac. Here we strongly recommend a powerful screen recording tool, Screen Recorder for you to capture your Mac screen with high quality.

  • Capture high-quality 4K video with full screen, specific window or custom region on Mac.
  • Record online video/music/meeting, webcam, live streaming video, gameplay, and more.
  • Capture sound from system audio card, microphone/speaker, or both.
  • Edit the recorded file and save recording in MOV, MP4, FLV, MP3, AAC, M4A, etc.
  • Advanced Blue-light real-time HD video encoding and accelerate technology.

Part 4. FAQs of QuickTime Not Working on Mac

Question 1. Why is my MOV video not compatible with QuickTime?

You should know that MOV refers to the file container type, not the data format. If your MOV file contains some forms of compressed data can’t be supported, the QuickTime Player will not play the file, even QuickTime claims that it can support MOV.

Question 2. How do I update QuickTime on Mac?

QuickTime Player will be automatically updated with the macOS updating. You can update your macOS to install the latest QuickTime on your Mac. Also, you can go to the official QuickTime download page to install a new version to Mac. When you have the need to update QuickTime Player on Mac, you can also go to Update Existing Software.

Question 3. What format does QuickTime player use?

QuickTime Player can support many regular video and audio formats like MOV, MP4, M4V, WAV, AAC, AIFF, M4A, MP3 and more. But you should know that, not all these formats can enjoy the fair treating. In fact, only MP4, MOV and M4V are the three types of optimal formats.

Question 4. How do I convert QuickTime to MP4?

Quicktime Player For Mac 2020

QuickTime Player provides a simple way to output QuickTime as an MP4 file. You can simply click 'File' on the menu bar and then choose 'Export' from the drop-down list. When you enter the 'Export' window, you can select 'Movie to MPEG-4' option to save the QuickTime file in MP4 format.

Question 5. Is there a free screen recorder that records internal audio on Mac?

QuickTime can’t capture sound from system audio. But there are lots of online video audio recorders offered on the internet that can help you record system audio on Mac. In case you don’t know which one you should pick, here we introduce you with the popular free online screen recorder. You can rely on it to capture any audio from system audio card and microphone.

You can see different QuickTime not working situations on Mac. We give you different solutions to help you deal with these problems. If you still have any other questions about the QuickTime not working on Mac, you can choose to leave us a message or directly contact us.

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VLC is one of the most popular video media player services available on all platforms. The full form of VLC is the VideoLAN client, and it has been around for almost eternity now. It is the best free to use an open-source platform available to view your videos in high quality. The goal of today is to provide readers with necessary information about VLC for Mac. MacBook has its default media player in the form of QuickTime. The only issue with a quick time is that it does not support all types of video formats. The VLC media player is the solution to all of the problems that you might be facing with the different video extensions. Through this guide, we are hoping to provide you with the necessary information about VLC on Mac.

VLC Media Player – Brief Information

The VLC media player is one of the most instantly recognized icons on the internet. The simple yet intuitive and active media player service offers consumers with high quality and efficiency. Through the VLC media player, you can easily watch all of your favorite tv shows and movies. It is also the perfect application to stream videos from a live feed. The best part about the VLC media player is that it is entirely free to use, open-source and portable. It means that it is available throughout all platforms and can be used interchangeably on multiple devices. Videolan has put in a lot of effort to make it one of the most fantastic video viewing applications on the internet. There are a lot of features offered by VLC, and we are going to have a more in-depth look into them later on in this article.

VLC is more than just a free and open source media player which can help you play various video and audio files. It also carries some hidden features like recording screen and taking snapshot. While the video playing, VLC enables you to take screenshot to directly save your favorite movie scene as a picture. Download VLC media player for Mac now from Softonic: 100% safe and virus free. More than 22533 downloads this month. Download VLC media player latest version 2020.

VLC started as an academic project in 1996 and was still in its rudimentary stages. The video player was officially released online on all platforms in 2001. It has been 19 years since its release, and it is still one of the most fantastic video players that you can have.

Features of VLC Media Player:

Before you download the application on your Mac devices, let’s have a look at the features that are available on the VideoLAN client. It will help you to have better clarity over whether you want to continue with Quicktime or download this new application.

1. Pocket Media Player:

VLC has been dubbed as a pocket based media player. What this essentially means is that VLC is available on all platforms and also runs all video formats. One surprising fact about VLC is that it can even Run incomplete video files, incorrect downloads, and even some corrupted formats. The player can also be used to play videos that are downloading in the background. The outreach of the video player is quite high, and users recommend it all around the world.


2. Diverse

The VLC media player is quite diverse. Apart from allowing you to play any video file, the player can also be used for security purposes. The VLC media player can be hooked up to a video camera, and this can be used for live surveillance around your home. With the help of a few external software, you can record footage.

3. Codecs

Codecs are an essential part of any video. They are used to encode the video into shareable files and make them small in size. A Video player does the task of encoding and decoding video files. VLC has access to all the possible encryption methods for videos available anywhere in the world. It translates to you playing any video on your Mac device without any external download.

Quicktime Player For Mac Download

4. Compatibility

The VLC media player is compatible with most operating system for PC devices and is available even on smartphone platforms. The application is entirely consistent with different OS. It makes the app highly desirable and easy to access anywhere.

5. Streamlined connectivity

The VLC media player can also be used to connect with the multiple devices which run the application. You can set up a virtual drive and access all of your media files from a common point. A single computer can provide media to multiple devices in the house which have the VLC media player. It is possible through an HTPC network. It is also possible to easily transcode media files through VLC.

Supported Formats on VLC:

The VLC Media player can run almost any video that you throw at it. Let’s have a look at the multiple video formats that can be used on this. Here’s a list of both Input and Output formats that can run on VLC.

VLC vs Quicktime:

Quicktime is the default media player on Mac devices, and VLC is a third party client that can be downloaded on the macOS. Let’s compare the two to see how they stack up against each other.

Basis of comparisonVLCQuicktime
ExternalNeeds to be downloaded from External SourceAlready installed on the MacOS
UpdatesUpdated frequently with bug fixes to ensure good video qualityDelayed updates and might even get discontinued soon.
iTunesThe VLC media player cannot work with iTunes filesQuicktime is a native mac app so it can run iTunes files as well. Suitable for people who rent movies from the iTunes store.
InterfaceThe VLC Interface is vintage and has remained the same over the years.Quicktime has a modern interface which is simple to understand and easy to use.
PluginsComes with all the plugins installed. It can run many different video formats due to this immense library of pluginsLacks multiple essential plugins to run videos in high quality.
StreamingVLC can be used to stream content from the internet for free. The app has a solid networking ability as well.Quicktime can be used to run only downloaded content already present on your device.
CompatibilityThe VLC media player has a huge codec library. It makes the app compatible with all videos.The app is not compatible with many videos.

The Quicktime media player and VLC stack up well against each other but the winner is clear after this comparison. VLC can be the ideal choice for many movie buffs around the world.

The Vlc Player For Mac Windows 7

How to Download VLC Media Player for Mac?


Follow the given guide to download the media player service on your macOS devices. The steps are quite simple, and you have to follow along.

  • On your Macbook head over to one of your favourite browsers. (Safari, Chrome, Etc). Click this link to head over to the VLC Media player download page.
  • When you are on the webpage, you will be greeted with the VLC download button. Click on the orange download button to start the process.
  • Once the download of the setup is completed, you can begin by running the installation file. Accept all the terms and conditions to start the installation process.

You have successfully installed the application on your device. Run it by playing any video file.


VLC Media player is no doubt the best player for streaming video content. And just for information Apple default has media player to stream content. If you are VLC Fan then you can get VLC on your Mac by following this guide. If you face any issues in above mentioned steps do let us know in the comments section below.

There are a lot of strong arguments in favor of macOS, it is beautiful, robust, well designed, and just works. While it is true, I hate the fact that the default Media Player on macOS is a Quick Time Player. I wanted to use VLC as my default media player for all the video files on my mac. That said, let’s set VLC as the default app.

I use VLC simply because it is more intuitive than Quick Time Player, supports file types such as MKV, and gives you total control of the video playback from the keyboard.

Set VLC As Default App On Mac

1. Open With: The Easy Method

There is an option built into the macOS that lets you set any application as a default. To set VLC as default for a video file, Right-click the file> Click ‘Get Info’.

Also Read: VLC For Apple TV: Fixing 3 Common Problem


Under the ‘Open With‘ section, select VLC from the drop-down menu. Click the ‘Change All’ button. That’s all you need to do, the video file would open with VLC every time you double click it or press CMD+DOWN.

However, the problem with this method is that you would have to repeat the process of setting VLC as a default app for every video file type. If you want a set it and forget it type fix then let’s check out the next method.

2. Swift Default App: The effective Method

To set VLC as a default app for every video file type, we’d install a small utility app, Swift Default Apps. It’s a preference pane app that would let us set any app as default. Download the app from the Github page and install it on your system.

Once installed, you will find this app in System Preferences, Click SwiftDefaultApps icon.

Select Applications from the row of tabs, scroll down to find VLC and check all the media files that you want VLC to play. Now, simply close the System Preferences and that’s it. All of the video files have been set to VLC now.

Vlc Player For Mac High Sierra

Read: How to Play MKV Files on Mac

Set VLC as Default App on Mac

Quicktime Player For Mac Os X Sierra

These were two simple ways to set VLC as your default media player. I don’t mind using the first method but I consume a lot of video content and setting every format to play with VLC isn’t something I’d want to do. SwiftDefaultApps can do so much more than just setting VLC as the default app. What do you think of these methods, let me know in the comments below or reach out to me on Twitter?

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