Share 'How to convert .i3e format'

My newsroom recently purchased a Canon Vixia HF10...I wish I knew about the difficulty with editing the video files before I bought it. So the Pixela ImageMixer 3SE software the camera comes with saves the files as .i3e or .m2ts. Ok, but now what? I need to supply a clip to a tv station because my paper does a 30-minute news show. The person at the radio station can't open, save or do anything wi…