What is .BMD file extension?
Game data file used by MU Online, a medieval MMORPG (Massively Multiplayer Online Role-Playing Game); may contain 3D models, textures, animations, maps, in-game text, or other game data.
BMD files can be viewed and sometimes modified with BMD editors, but alterations are not officially supported by WEBZEN. The files are commonly located within the Data\Local or Data directories of a MU Online installation.
WEBZEN, a Korean company, distributes Korean and English translations of MU Online.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.