: .mkv (Matroska Video). This is an open-source container format.

: While widely supported by media players like VLC and MPC-HC , it may not play natively on some older mobile devices or default Windows software without additional codecs. How to Manage or Edit This File

: MKV often contains lossless or high-bitrate video, making it larger than standard .mp4 files but superior in visual fidelity.