Play Video on MacOS Sierra- Make You Enjoy an Easier Life

The newest macOS Sierra brings many unprecedented new functions and changes to give users a much more convenient user experience, for exmpale, if you are tired of keeping that tab open just to watch a video, in macOS sierra, you can pop out a video for picture-in-picture (PiP) viewing, floating them in any corner of your desktop while you continue to work on stuff. However, you should know, macOS Sierra has a strict criteria for media playback. Check out "macOS Sierra media playback FAQs" below if you need to play video on macOS Sierra for relaxing when you have a rest time.

Play Video on MacOS Sierra

>> Hot FAQs Related to macOS Sierra

After successfully update to macOS Sierra, users will have issues with playing videos in certain formats in QuickTime like mkv, flv, mts, wmv, avi etc.

Q1: Can macOS Sierra play the poplular MP4 format?

A1: It depends. Mac supported video file formats are QuickTime Movie (.mov), MPEG-4 (.mp4, .m4v), MPEG-2 (OSX 10.0-10.6 are exclusive), MPEG-1, 3GPP, 3GPP2, AVCHD (OSX 10.0-10.7 are exclusive), AVI ((Motion JPEG only), DV and MOV, MP4 (H.264), M4V are the most recommended formats for Mac.

Thus, only MP4 with MPEG-4 or H.264 can be accepted by macOS Sierra. To watch unsupported MP4 on macOS Sierra, or fix macOS Sierra MP4 playback issues, Dimo Video Converter Ultimate for Mac- the best macOS Sierra video converter, is highly recommended to convert 2D MP4, 3D MP4, H.264 MP4, H.265 MP4 to the format accepted by macOS Sierra. Free download, install and run it on your macOS Sierra. It has a perfect compatibility with macOS Sierra, Mac OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, 10.8, 10.7, 10.6, 10.5.

Q2: How to play an unusual format on macOS Sierra?

A2: Try double-clicking to see if your operating system has a default program that can handle it. Failing that, try right-clicking and selecting Open With… to browse the media player software you can try. Otherwise, directly take a look at one of the top macOS Sierra video converters above. Trial versions are all available.

Q3: How to play a 3GP video file on macOS Sierra?

A3: 3GP is often used on mobile phones, but it can be handled by VLC player. Here shows how to use this extremely useful video player.

  1. Go to and free download the Mac version of VLC.
  2. Open the .dmg file that drops into your Downloads folder.
  3. Drag the VLC icon into the Applications folder.
  4. Open the Applications folder and find the VLC icon, then drag it into your Dock (if you plan to use it in future) and click to open the application (confirm you want to open it - the source is reliable).
  5. To open your video files in VLC, you simply have to drag the file on to the interface window, or click Open Media and then Browse to the file you want.

Q4: How to play ASF format and some other common formats on macOS Sierra?

A4: The free video player VLC can handle ASF video files. Also applies to the related H.261/H.263/H.264, Divx, FLV, MPEG, WMV, WMA and OGG files.

Q5: How to play AVCHD format on macOS Sierra?

A5: AVCHD stands for Advanced Video Codec High Definition. With the preinstalled player on Mac, called QuickTime, you can playback (and edit) AVCHD video with ease- see this Apple support article for more information.

Q6: How to play AVI video files on macOS Sierra?

A6: The free video player VLC can handle AVI video files. Alternatively, you're able to play AVI video in QuickTime once we install a handy free add-on -called Perian that enables you to play a much wider range of codecs.

Q7: How to play AAF format on macOS Sierra?

A7: This stands for Advanced Authoring Format. According to, some apps are worth trying to open this AAF file, include Adobe Premiere Pro, Apple Final Cut Pro, Avid Media Composer and Sony's Vegas Pro. (You can try simply double-clicking and seeing which program macOS Sierra suggests, or browse through the available options.) Once you've successfully opened the AAF file you should be able to save it in a more easily handled format.

Q8: How to play DAT format video files on macOS Sierra?

A8: These are usually found on Video CDs. You need to convert .dat files to MP4/MPEG first. However, an Apple support thread discusses this issue, and suggests simply altering the filename extension.

Q9: How to play MXF footage on macOS Sierra?

A9: MXF stands for Material Exchange Format, and you'll need to convert MXF format video to AVI before playing it with the VLC software with video converters for macOS Sierra above.

Q10: How to play QuickTime or .mov files macOS Sierra?

A10: Like so many of the other formats on this list, VLC can play .mov video files, but you can also simply play .mov files through QuickTime - it's a question of which piece of software you like using more. Drag the file on to the QuickTime Player icon (if it's not in your Dock already, you can find it loose in the Applications folder) or open QuickTime and select File, Open File and browse to the file.

You Can Play Video on macOS Sierra without ormat limitation

With the above-mentioned macOS Sierra video converter can help you solve all your macOS Sierra media playback problems.

==> See why choose Dimo Video Converter Ultimate for Mac:

 Dimo Video Converter Ultimate for Mac
  • Supports almost all video/audio formats, Blu-ray/DVD disc.
  • Convert SD/HD/4K videos with original quality reserved and world's fastest speed.
  • Allows you to add special effect/watermark to video or trim/flip videos.
  • Make 2D/3D to 3D video conversion on macOS Sierra.
  • You can customize the video audio parameters at will to get your desired video effects.
  • Share media files stored on macOS Sierra to mobile devices without USB connection
  • Clone your multiple video/audio files and Blu-ray into ISO files for storage on macOS Sierra
  • Well-designed UI makes it very easy to convert video on macOS Sierra even for novice users

Do you believe that you can own the all-in-one macOS Sierra Video Converter just within 45.95 dollars? Yeah, once you own it, you can play all your video and audio files on portable devices, TV freely. When you go on a trip or you are alone, you will not feel bored or lonely. It is worth doing that for you. What are you waiting for?

Extended Knowledge

macOS Sierra Review

macOS Sierra - Wikipedia

Tip 1: Should I upgrade to macOS Sierra?

Sierra is still a major upgrade with a couple of attractive headline features (Siri and auto-unlock) and a wide range of smaller useful features (particularly Universal Clipboard and tabs in non-browser apps). It's more demanding than El Capitan so check your Mac is up to the task, and remember that it's still at the developer preview stage and could yet change; but based on what we know so far, this looks like a keeper.

Tip 2: Can your Mac get a free upgrade to macOS Sierra?

Check below the minimum system requirements of macOS Sierra and the list of Mac computers qualified for macOS Sierra update.

System requirements for macOS Sierra:

OS X v10.6.8 or later has already been installed
2 GB or more of memory
8 GB or more of available disk space

macOS Sierra Compatibility | These Macs can run on macOS Sierra:

iMac: Late 2009 or newer
MacBook: Late 2009 or newer
MacBook Air: 2010 or newer
MacBook Pro: 2010 or newer
Mac Mini: 2010 or newer
Mac Pro: 2010 or newer

If there are any file formats you can't play or convert and aren't in our list, feel free to get in touch (on Facebook or in the comments below) and we'll do our best to find a solution and add it to the article.

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