Cannot play ".mov" movie in ".ppt" file using PowerPoint 2016 version 15.39 (171010) on macOS 10.12.6 (16G1036) Sierra

Thanks. The issue remains with Office 2016 version 15.40.0 (171108).

Amazingly, I have found that the ".ppt" file may take SIX minutes to open with PowerPoint 2011 THE FIRST TIME (later on it opens in real time) on iMac 5K from internal APPLE SSD SM2048L 2TB which is a very fast computer!!!

On the other hand, I have found two WORKAROUNDS, yet they are not what I am looking for eventually... Details below:

I forgot to say that when clicking the play in PowerPoint, it shows:

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Yet, the standalone movie does play OK with QuickTime 7 in Mac Finder, so the Mac does contain such codec.

In relation to the article above that you indicate, it says

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Yet, doing it this way:

Insert - Video - Movie from file - Options - Link to file - Insert

is not possible, since it shows this error:

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PowerPoint couldn't insert a movie from the selected file.

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WORKAROUND 1. I can play the movie doing

Insert - Action Buttons - Movie - Clinking inside PowerPoint slide - Hyperlink to - Other file - Selecting movie - OK

But that creates a silhouette camcorder icon in the slide, which when clicked (while in "Slide Show" visualization) opens QuickTime 7 and a small window, with the movie that does play OK from such QuickTime application once clicked to play. Yet, that is not what I want, since it is cumbersome, requiting to click it, resize such small window (it always shows small) and click to play. Really awkward. I want the movie to play automatically when doing the presentation in Slide Show mode.

I cannot upload here the standalone movie and PowerPoint files since I get:

Invalid file type. Please select another.

Or compressed since I get:

File Too Large.

You can download them as (included again such MediaFire link since it was deleted!!! - PLEASE, DO NOT DELETE THE LINK - IS IS NOT A PRIVATE FILE BUT PUBLIC ONE FOR ANYONE TO TEST - THANKS):

http://www.mediafire.com/file/927fc6h76o2td13/Cannot_Play_Movie.zip

containing:

PowerPoint 2016 - Codec Unavailable - Cannot Play Media.ppt

1.Bhaskara.mov <-- This is the movie included in PowerPoint file above

WORKAROUND 2. I can fix the issue if I save the presentation from ".ppt" into ".pptx" (sorry that I said before it was in the latter format, yet it is in the former; I have fixed it above including thread title), delete de movie and insert it again (then it shows that it is "updating" it). Yet, I have hundreds of such movies in many PowerPoint files. Is there a way to do it all automatically (such "updating" that PowerPoint shows when doing it on a one-by-one basis for each movie inside the presentation), so that all movies play in PowerPoint 2016 for Mac without the need to delete each single movie and reinsert it on a one-by-one basis? That would be great.

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CONCLUSION. In summary, PowerPoint 2011 plays the movie on both original ".ppt" and saved as ".pptx" without deleting and inserting it, yet PowerPoint 2016 does not, unless I delete the movie and insert it again. Any idea to fix the PowerPoint 2016 issue other than deleting and inserting again the movie? As said I have hundreds of movies on many PowerPoint files and doing it on a one-by-one movie basis would take months or work! Thanks.