Windows 10: Sound won't work once I convert my powerpoint presentation with audio to a video

I recorded audio for each of my slides on powerpoint and then converted it to a video so i could upload it onto Turnitin as my course assignment. Once I uploaded it as a video, everything looked fine and the timing stayed the same the way it would if the audio was playing, just no audio. I was unfamiliar with it because it is still working on my laptop. But when I got feedback from professor, He said no voice over in it and I didn't get satisfactory marks as it is not as per assignment conditions. What should I do now?

:)

 

Converting Powerpoint Presentation to Movie

I got it to work. Powerpoint does not manipulate large files very well. I shrunk the embedded videos to a much smaller size and it was then able to convert the presentation to .mp4 (took about 30 minutes however).

 

Suggestion for Audio to Video converter

one cannot convert audio into video , one can however add audio to video .

 

Converting Powerpoint Presentation to Movie

I have a slideshow that I am creating for somebody. The machine that we will be using is a Windows 10 machine and has Office 365. Office 365 doesn't operate for more than about 1 month without an internet connection. This slideshow is going to be in a kiosk and will be running from an Intel Stick. It doesn't have an internet connection and we just want to have the looping slideshow. Without having to purchase another several hundred dollar copy of an older version of Office, is there a way to make this work just from Powerpoint?

I have already tried the Microsoft Powerpoint Viewer utility and it does not work very well (not to mention they no longer support it).

The second question.....I am attempting to convert this slideshow from a slideshow presentation to an .mp4. The slideshow has 3 embedded videos and a total size of 170mb. Powerpoint simply refuses to convert this to a video. I save-as and select .mp4 and the CPU usage immediately goes to 100%. It will not progress beyond about 5%. I am sure this has something to do with the size of the presentation, but I have already edited the videos so they are as small as possible. Any ideas or external software?