To change movie file size
1. Click on the Video-Animation tab:
2. In the Size group:
If you check Full screen (maximized) option, it allows to display full screen the animation.
In the Width area, enter here the width of the video window in percent (100% by default). The final width is based on the original video clip width.
In the Height area, enter here the height of the video window in percent (100% by default). The final width is based on the original video clip width.
If you check Based on screen size option, the video size is based on the screen size in percent.