.MT2S File Extension
File TypeMPEG-2 Transport Stream File
What is an MT2S file?
Video file saved in the Blu-ray BDAV format, which is based on the MPEG-2 transport stream container; commonly used to store high definition video on Blu-ray discs and in AVCHD, which is a high definition digital video camera recorder format.
The .M2TS file extension is more common than the MT2S file extension.