
mp4 format that for some reason Quicktime player from macOS High Sierra doesn't seem to like. However, when you try to play some MP4 video on macOS High Sierra with QuickTime, you may encounter the following problem: The Mac is a professional tool and more stable the OS, the better it is for the pro users. And right now, that actually sounds like a great thing. While there are new features and newer technologies, the main focus in on improving performance, fixing bugs and refining features. It's on the same lines as Snow Leopard and Mountain Lion. A video converter should be a better option, which can help you convert any incompatible videos into the format that you need.Apple's new desktop operating system, High Sierra, is officially available for your downloading pleasure. These solutions to play MP4 on Mac are also viable, but comparably temporary. However, downloading a supplementary codec pack has risks, such as bring adware or malware to the Mac. An MP4 codec can enable players like QuickTime to play MP4 files with unsupported codecs on Mac. The format should be preceded by the label Kind. To get the format, select the file and press Command + I to open an Info window. You should search the right player with the name of the media format and filename extention (.mp4). When an MP4 video doesn't play on Mac, you can search at Mac App Store to get a compatible MP4 player for Mac. But if sometimes, QuickTime or other player cannot play MP4 on your Mac, you have three options:ĭownload an MP4 player. Normally, you have no problem in playing MP4 with QuickTime on Mac. The HD MOV file is too large? Check Video Compression Guideįree Download Buy with 20% off Free Download Buy with 20% off Tips on How to Play MP4 on Mac

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