Click Media 
tab to toggle the
output mode.
Select the format in the Format drop down list.
Modify the Output Settings.
Click Export 
.
In this panel, you may choose to export project as Video, Sequence Images or Wav files.
Please follow the steps to output video files.
Click Media tab to toggle the
output mode.
Select the format in the Format drop down list.
Modify the Output Settings.
Click Export .