Powerpoint and Quicktime

Dear Experts,

I have a pptx file that has one video embedded, and when I try to see slide show, the error came up saying that I needed QuickTime.
I downloaded QuickTime, and the video plays fine.
On another computer, the same thing happened, and after I downloaded QuickTime, it plays, but pauses every 3 seconds or so.
Then I got curious and started to look into mp4 file embedded into this pptx file.
By itself, it plays fine, but within pptx file, it pauses.
Anther thing that got me puzzled was why PowerPoint asked for QuickTime, when Windows Media Player is installed on both machines, and I thought mp4 was supported.
I need to find out how any user can view this file, because it will be viewed by a large number of people.  What would  be the standard configuration for this?
Is mp4 file a bad choice for embedding into a PowerPoint file?
Please advise.
yballanAsked:
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Echo_SConnect With a Mentor Commented:
My understanding is that mp4 with the H.264 codec is the best way to go for the newer versions of PowerPoint (2010 and 2013).

That's not a guarantee you won't run into strange problems with video, mind you! Unfortunately there's nothing I can suggest that will prevent that.
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Echo_SCommented:
There's a bug in PPT 2010 where videos (any format) sometimes stop mid-playback. Here's my colleague Nolan Haims' post about the hotfix MSFT released for this issue: http://presentyourstory.com/blog/2014/2/13/microsoft-hot-fix-for-video-playback-issue.html

The problem is the video file itself (well, PowerPoint's handling of it, anyway). It seems that no amount of re-encoding fixes the video for use in PPT 2010. It's like there's a malformed frame or something that every other video playback software ignores but that PowerPoint 2010 gets hung up on.

For what it's worth, this isn't a problem with PowerPoint 2013.

And I think you had to install Quicktime to get some required codecs. It's been awhile since I had to troubleshoot video issues, so I can't remember for sure. Where did the file come from? Was it created with standard codecs? If you're re-encoding and MP4 is giving you problems, you might try WMV -- but it may be that neither is going to work with this particular video.

If I were in your shoes I'd probably try to use PowerPoint's Optimize Media Compatibility option in the File tab. It may not work with a video with a malformed frame, though.

If this is to be viewed corporate wide, for example, I'd make sure that IT rolls out that hotfix.
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yballanAuthor Commented:
Dear Echo_S,

Thank you for your reply.  This pptx file is created by a design company, and what I was wondering is going forward, what video file format should we be using so that it is least likely to cause strange problems like this?
If there is a format that is endorsed (?) by PowerPoint to be more universal, or agreeable, format, I would certainly ask for that.
It is not possible to upgrade all of our viewers to 2013, so I can only make recommendations.
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yballanAuthor Commented:
Thank you, I appreciate your view.
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