.M2TS File Extension
File TypeBlu-ray BDAV Video File
What is an M2TS file?
Video file saved in the high-definition Blu-ray BDAV format; used for saving video data on Blu-ray discs; based on the MPEG-2 transport stream and supports 720p and 1080i formats.
BDAV stands for "Blu-ray Disc Audio/Visual," while the M2TS extension refers to "MPEG-2 Transport Stream."