Settings - Output Movie Settings
The setting button
is available for you to set the output file type.
Click
to popup below box:

Please follow the screen tip to refer to your media device's specification first, then drop-down select the right output type.

Customized Setting:
You can also customize the output file, just select "Customized" in the drop-down list, then click "Edit" to popup below box:

Here you can freely set audio and video parameters of the output file.