Usually it shouldn’t be happening. However, there can be a couple of possible reasons for your video and audio files not
playing. Please find them below.
1) If you are inserting your files with PowerPoint:
Make sure all the files are attached to the original PowerPoint presentation. The thing is that PowerPoint 2007 does not add audio files to the original presentation, so, that may be the reason they are not converted with iSpring. Try to re-insert those files and convert the presentation one more time.
2) If you are inserting the files with iSpring’s Narration Editor:
Keep all the output files together: after conversion, iSpring creates the source folder where all the
files used in the presentation are stored. When you move this folder, move files from this folder or rename them, connection between files can be lost, and it can cause problems with playback. In order to solve the problem, find
the resources folder on your computer and place it to the same folder with the original PPT presentation. This way, the links between the presentation and the source folder should be restored.
In case the steps described above are not of help, I believe that the iSpring Support Team will help you with it right away. You can contact them at email@example.com.
Hope that helps!