PSP Video Manager helps you easily import PSP MPEG4 files to your PSP
. At the same time, the freeware also allows you to export PSP MPEG4 files located in your PSP to your computer.
While transferring PSP video files, you can copy or move the video files to decide whether or not keep the original files. The whole process is easy. You don't need to manually rename PSP MPEG4 files to play in Sony PSP, and just a click can do it with PSP Video Manager.
You may download this useful software here