MTS is a file extension for an AVCHD (Advanced Video Coding High Definition) video clip format for high definition video. The file format (.mts) supports 1080i, usually a high definition video format with 1080 horizontal scan lines, interlaced and 720p, 720 horizontal scan lines, progressive scan, rather than interlaced in a relatively small file size. AVCHD video files can be burned to Blu-ray discs and played in compatible devices.
Samsung, Sony and some other video cameras have software to open and edit MTS files. The file format .mts are basically generated by camcorders, like Samsung, Sony etc to capture memories. Therefore, it is also possible due to some worst situation these files are deleted accidental, corrupted or formating is not only annoying but devastating. There are some situation by which how these files become deleted.