I have been using Windows Movie maker to do just short clips. But i have recently bought Adobe Lightroom 6. I thought you could edit video but apperantly DJI files arent supported or just i be using mp4 or mov? anyone have any experiance wityh lightroom 6 for videos. It does a beautiful job for photos. thanks for any help.

Although somewhat limited for video editing as you note, you might search youtube for some tutorials: https://www.youtube.com/results?search_query=lightroom+6+video+editing.

This forum has numerous discussions of video editing software:
Video Editing Software