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How to Play All MP4 Files with QuickTime on macOS Sierra without any hassle?

How to Play All MP4 Files with QuickTime on macOS Sierra without any hassle?

Camille Wesley No Comment

It is strange that you can play some MP4 files with QuickTime player on macOS Sierra but sometimes can’t. Is it the MacOS Sierra’s fault? Although the update of MacOS makes many video converter incompatible, it is the MP4 that make you can’t play MP4 on QuickTime on macOS Sierra. To figure out the reason why QuickTime can’t play MP4 on macOS Sierra, you should prepare some knowledge about MP4 and the relationship of MP4 and QuickTime.

What is MP4 format?

MP4, or MPEG-4 Part 14, is a media container format, storing video, audio, subtitles and images, normally in .mp4 file extension. To make it clearer:

e.g. MP4 container (.mp4) = MP4 format video (H.264 codec) + audio + subtitle

What file formats does MP4 support?

MP4 is a container format that can store video, audio and other data. So, what formats does MP4 support?

Video formats: H.264/MPEG-4 AVC, MPEG-4(A)SP, MPEG-1, MPEG-2, H.265/HEVC, VC-1/WMV, Real Video, Theora, Microsoft MPEG4 V2, VP8, VP9, MVC

Audio formats: MP3, AAC, WMA, Opus, AC-3, DTS, LPCM, ALAC, DTS-HD

Caption/subtitle formats: MPEG-4 Timed Text

Most Common Combination of MP4 Video and Audio Codec

MP4: Xvid  MP3

MP4: H264  AAC

MP4: H.265 AAC

QuickTime Player Compatible MP4

QuickTime supports a lot of media formats and codecs, with many more coming all the time. Take a look at the following video and audio formats and codecs that QuickTime Player can play in Mac OS X 10.6 or later.

Media Type

File Formats



QuickTime Movie (.mov), MPEG-4(.mp4, .m4v), MPEG-2 (OS X Lion or later), MPEG-1, 3GPP, 3GPP2, AVCHD (OS X Mountain Lion or later), AVI (Motion JPEG only), DV

MPEG-2 (OS X Lion or later), MPEG-4 (Part 2), H.264, H.263, H.261


iTunes Audio (.m4a, .m4b, .m4p), MP3, Core Audio (.caf), AIFF, AU, SD2, WAV, SND, AMR 

AAC (MPEG-4 Audio), HE-AAC, Apple Lossless, MP3

This means that QuickTime only can play MP4 video encoded with MPEG 4, MPEG 2, H.264 video codec and MP3, AAC audio codec. Your XviD MP4, H.265 MP4, VC-1 MP4 and other MP4 files with QuickTime unsupported codec won’t be able to playback with QuickTime on macOS Sierra. To play this format video on macOS Sierra, you can download a more powerful media player like VLC on your Mac, otherwise, you can convert the MP4 files to QuickTime playable format video with some macOS Sierra Video Converters.

Re-encode MP4 Files to QuickTime on macOS Sierra

With Pavtube iMedia Converter for Mac, you can easily re-encode any MP4 files to H.264 MP4 for QuickTime on macOS Sierra and you also can convert MP4 to MOV for QuickTime. You can freely change the video codec and audio codec to compatible with QuickTime when converting MP4 files. Besides MP4, you also can convert AVI to QuickTime, MKV to QuickTime, H.265/HEVC to QuickTime, WMV to QuickTime, VOB to QuickTime, etc with right video/audio codec.

With Pavtube iMedia Converter for Mac, you can add external srt/ass/ssa subtitles to MP4, MKV, MOV, etc files and trim/crop/split/merge video files , too. If needed, you also can extract MP3 audio from video files including YouTube video, FaceBook video on macOS Sierra with it.

Note: this macOS Sierra video file converter from Pavtube Studio now is available at 20% off discount for Pavtube is holding Year-End & Christmas Sales .

The Original Price of Pavtube iMedia Converter for Mac: $65. Now $52 , saving $13

Besides, not only this video converter for macOS Sierra, its equivalent Windows 10 version Pavtube Video Converter Ultimate is also available at 20% discount in Pavtube Christmas Deal. You can learn more about it in this guide: Christmas and New Year Gift: 20% Off Coupon for Pavtube Video Converter Ultimate

The purchase buttons of the two 20% OFF macOS Sierra Video Converter and Windows 10 Video Converter are below:


Steps to Transcode MP4 to QuickTime on macOS Sierra

Step 1: Download and install the macOS Sierra video converter. Then Click “Add Video/Audio” under "File" button to load MP4 files you want to convert from your harddrives. You can add more than one file at one time. You can double click the video title in the source file list to preview the video you select.

load mp4 files

Step 2: Select and custom output format. Click “Common Video” > “MOV – QuickTime (*.MOV)” to get the optimized output file for WMV to QuickTime conversion on macOS Sierra.

Tip: You can also check the “Settings” box, and set video codec, video size, Bitrate, frame rate to get a decent video you want on your QuickTime player.

Note: The MP4 to MOV Converter additionally offers you some useful edit functions for making your videos more enjoyable. You can split, crop, add cool effects to your media files or capture your favorite scene of the video.

Step 3. Hit the “Convert” button and let this smart Mac MP4 to MOV Video Converter do the rest for you!

Once the conversion ends, you can locate the MOV files in output folder and then watch the converted MP4 files with QuickTime on macOS Sierra without any hassle.

This video converter was specifically designed for Mac OS users. It performs greatly on iMac, Mac Pro, MacBook, MacBook Pro, MacBook Air either with 10.12 macOS Sierra, Mac OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion, Mac OS X Lion or Mac OS X 10.6 Snow Leopard.

They Also Downloading – Pavtube ByteCopy

– Convert Blu-ray to QuickTime and copy DVD to Quicktime.

– Rip Blu-ray encoded VC-1 and AVC codec to QuickTime video.

– Convert DVD to MOV/MP4/M4V by removing copy protection.

– Rip BD/DVD to multi-track MP4/MOV with multiple subtitle/audio.

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