To import audio files across slides:

  1. Click the Import Audio button to launch the Import Audio Clips window.

  2. Navigate to the desired audio file, select it.        
  3. Choose where you want to insert the audio clip:               
    • In the beginning of the current slide
    • At cursor position
    • After existing clips

  4. Click Open to import the file
    click Cancel to exit without importing the file.

The selected clip will be added to the timeline.