When you're doing a lot of editing, there will be some steps that you are regretted doing and want to undo. How to undo your edit on video with Filmage Editor?
1. When all the clips are on tracks -> Choose the certain clip that you want to undo
2. Click the undo icon on the left-top above the timeline to undo your edit
3. After undoing your edit, you can continue to edit your clips and use the same method to undo your edit.