Audio Clipped

If I import audio into Animate Pro 2 it gets clipped to the length of the out point I happen to have set in the timeline. If I want to extend the outpoint, there is no audio there. Is there a way to not have it clip my audio?

When you import the sound, do you see any error?
Is there is folders in the path has Non-English letter? Or check if the sound file name is also in English. It only understand English for the path and file name.
If it is due to the timing that the sound starts way after, go to the properties of sound layer (double click the layer in Time Line) and check the sound wav form is still there. If not, try change the original sound file to other non-compressed format such as WAV and see if it is shown.