The short answer is , Roku devices can play MKV files , but there are specific technical requirements your files must meet to work properly. Because MKV is a "container" rather than a single format, success depends entirely on the video and audio codecs tucked inside that container. Technical Requirements for MKV on Roku
Roku devices can play MKV files, but there's a catch. The compatibility depends on the specific Roku model and the MKV file's encoding. can roku play mkv files
Go to Roku Settings > Audio and ensure it is set to "Auto," or use a Plex server to transcode the audio to AAC. Subtitles Aren't Showing The short answer is , Roku devices can
If your files are stored on a PC or Mac, you can stream them over your home network. The compatibility depends on the specific Roku model
If your Roku has a physical USB port (like the Roku Ultra), this is the most direct route. Plug your drive into the Roku.