MP4 video won't play in PowerPoint. Could it be a QT issue?

I have MP4 video that will play in QuickTime Player, but not in PowerPoint 2010 for Windows. PPT Help says that PPT and QT both have to be 64-bit or both 32-bit - you can't mix and match. PPT is 32-bit, and I'm assuming that the QT 7.7 I just downloaded is 32-bit also. Is that correct?
-Stuart

I had this question too before and find a solution now.
If you want to play MP4 file on PowerPoint, Just convert MP4 to powerpoint supported formats. Very easy.

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