.HMT File Extension
File TypeHighMAT File
What is an HMT file?
File used by High Performance Media Access Technology (HighMAT), a technology developed jointly by Microsoft and Panasonic that is used to save and playback digital media on CDs; contains images, audio, and video saved in a proprietary format.
Microsoft has discontinued support for HighMAT. The HighMAT extension is only available for the Windows XP CD Writing Wizard.