Typically you’ll encounter some MKV files like Bluray rips or video exported from an HD stream. When you play MKV on macOS High Sierra, you might have discovered they won’t open in a QuickTime player. Not to worry though, MKV files can be played on a macOS High Sierra easily. One way is to download a free application or codec that supports playing the high quality video format, the other is to convert MKV to MOV for viewing on High Sierra. Now we present the solutions for you.
Solution 1. Download MKV player for macOS High Sierra
#1 – VLC
The first recommendation is VLC, which will play just about any video or audio file thrown at it and MKV is no exception. VLC recently came out with some pretty significant changes, and even if you don’t plan on using it to play .mkv movies, it’s a worthwhile app to have on any Mac.
Some users report performance issues with playing MKV from VLC although, you can have a try first.
Brorsoft Player for Mac, one the best clean and professional MKV player for 2017 new macOS High Sierra, can smoothly play MKV video with original quality. It enables users to flawlessly play MKV, M2TS, AVCHD, AVI, MP4, MOV, WMV, FLV, DivX, MP3, AC3, AAC, etc. as well as any 8K/4K/1080p/720p videos/movies. It also supports capturing screenshot of every moment you want in the video. Plus, it is equiped with video recording function for tutorials and screencasts.
Solution 2. Convert MKV to QuickTime MOV on macOS High Sierra
Since QuickTime player originally doesn’t support MKV playback, the first solution to play MKV on 2017 new macOS High Sierra MacBook Pro/Air, etc. is to convert MKV video to QuickTime supported file formats, like convert MKV to MP4, convert MKV to MOV, etc. Brorsoft Video Converter for Mac can easily achieve this.
As the best free video converter for macOS High Sierra, it can convert MKV, AVCHD, M2TS, AVI, MP4, MOV videos, as well as convert Ultra HD 4K, Multi-track HD and JVC, Sony, Panasonic, Canon HD camcorder videos with no hassle. Use it to convert MKV to MOV with original quality which are compatible with QuickTime player. Now download and install Brorsoft Video Converter for Mac on your MacBook Pro/Air, iMac, Mac mini, etc. and follow the 3 steps below to convert MKV to MOV for the playback of MKV files on macOS High Sierra.
Step 1: Add source MKV video
Open Brorsoft Video Converter for Mac and click Add button to load original MKV video file. You can add several MKV videos to convert in batch.
Step 2: Choose QuickTime video format as output
For great video quality and smoothly playback on macOS High Sierra, you can select “Common Video” > “MOV- QuickTime (*.mov)” as target format.
Step 3: Start conversion
Start MKV to MOV conversion by clicking the right-bottom convert button. When the conversion is finished, hit the “Open” icon on the bottom of the main interface will pop up the folder with converted files. Now, you can play MKV files on macOS High Sierra MacBook Pro/Air, iMac, Mac mini, etc.
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