Suppose that the VSP project file is divided into three small projects: VSP 1, VSP2, and VSP3, which are edited separately and finally synthesized. Method as shown in figure:

9. At this time, there is only the second block left in the timeline, so it is saved as VSP 2；; Click Cancel again, then delete the first block and the second block, and save VSP3；;

10. Edit three subfiles, such as VSP 1, and finally create a new project. Insert VSP 1, VSP2 and VSP3 project files into the video track, and output and save the video files.