According to the Lectora documentation, the On Done action only works in HTML if you are using .flv audio files. You can convert them to .flv by using the compression option at the time of publishing, or right-click an individual file and select Convert to FLV.According to the Lectora documentation, the On Done action only works in HTML if you are using .flv audio files. You can convert them to .flv by using the compression option at the time of publishing, or right-click an individual file and select Convert to FLV.