Go to the first slide of your presentation and click on the Sound icon in the Normal view.

How Do I Get Audio to Play Automatically in PowerPoint? How do I get Audio to play automatically in PowerPoint? When you are on the Insert Tab in Office 365, go to the right side of the Ribbon and look for a double chevron that should launch a pop up with all of the tools that aren’t showing up on your Ribbon (because there isn’t room).

If you want to add audio tracks to an MP4 file and save in the same format you can use some software like movavi or Adobe Premiere and add the extra audio tracks to the file and save the file as MP4.

Do you want to add audio and convert to MKV or do you want to add audio tracks to an MP4 file?.

How do I permanently add audio to a video?

In the list, click Audio from file or Clip Art audio, locate and select the audio clip that you want, and then click Insert.

On the Insert tab, in the Media group, click the arrow under Audio.In Normal view, click the slide that you want to add a sound to.Pick which contents to keep or discard.Open MKVToolNix GUI, and you should see something like this: You’ll need at least two files to start with: You’ll find instructions for downloading MKVToolNix at the project’s site. How do I merge audio and video in MKVToolNix?

Mkvtoolnix gui merge files