How do I add voice to a PowerPoint presentation?

To add voice to a PowerPoint presentation:

1. Open the slide that you want to add audio to.
2. Click the Insert tab.
3. Click the Audio button in the Media group.
4. Select the audio file that you want to insert.
5. The audio file will be inserted onto the slide. You can click and drag the audio icon to move it to a different location on the slide.

To play the audio during the slide show, you will need to set up the audio to play automatically or assign a button to play the audio.

To set up the audio to play automatically:

1. Right-click the audio icon and select Audio Options.
2. In the Audio Options window, select the Start drop-down menu and choose Automatically.
3. Click OK.

To assign a button to play the audio:

1. Insert a shape or button onto the slide.
2. Right-click the button and select Hyperlink.
3. In the Insert Hyperlink window, click the Place in This Document option on the left.
4. Select the audio file from the list of slides and objects on the right.
5. Click OK.