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Friday, 15 August 2025

Saving voice over files from PowerPoint

Ever created a PowerPoint with a voice over, and wanted to edit the sound files? And not known how to extract the PowerPoint recordings from the file? Well, there is a way!

I stumbled across this thanks to a query asked by Marques (2024), and answered by Steve Rindsberg, MVP Volunteer Moderator. Steve's superb reply is paraphrased below:

All we need to do is to make a copy of our presentation .pptx file, and change the file extension of the copy from .pptx to .zip (NB: our PowerPoint deck must be a .pptx file; what comes next will not work with the older .ppt format).

Then, when we open our new .xip file, we will see a few folders and xml files that make up a PowerPoint slide deck. In the folder structure of the .zip (_rels | docProps | ppt), we go to the ppt folder, and under that, go to the media folder. In the media folder we will find a cluster of .m4a files, which we can now extract, edit, and save in another location.

However, we should use a dedicated zip software tool to open the files as we may get an error - often a Windows "Error 0x80004005: Unspecified error" - if trying to open and extract the files using the native Windows Zip function. 

To avoid these types of errors, I tend to use 7-Zip (downloadable here) which extracts the files without difficulty.

Doesn't that make it SOO much easier to edit a slide deck?!


Sam

References:

7-Zip (2025). Download 7-Zip 24.09 (2024-11-29) for Windows. https://7-zip.org/download.html

Marques, J. S. (2024, April 19). How can I find the audio in a Powerpoint presentation that doesn't have an inserted object or link in any slide? Please see description below. Microsoft Community Support. https://answers.microsoft.com/en-us/msoffice/forum/all/how-can-i-find-the-audio-in-a-powerpoint/bc0721f8-4d4b-4489-84fc-ad60e6974eb6

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