Files with d3dbsp extension are related to the Call of Duty 4: Modern Warfare computer game.
Software that open d3dbsp file
D3DBSP file extension - Call of Duty Modern Warfare 2 map file
What is d3dbsp file? How to open d3dbsp files?
File type specification:
The d3dbsp file extension is associated with the Call of Duty Modern Warfare 2 first person shooter computer game. The .d3dbsp files contains game maps including mapped terrain, 3D objects, textures, positions, buildings etc.
The default software associated to open d3dbsp file:
Call of Duty 4: Modern Warfare 
Company or developer:
Activision
Call of Duty 4: Modern Warfare is first person shooter computer game. Player is taken to the Russia, where fights against Russian ultranationalists in fiction Russian civil war. Modern Warfare contains single as well as multiplayer game mod.
List of recommended software applications associated to the .d3dbsp file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open d3dbsp file, edit d3dbsp file, convert d3dbsp file, view d3dbsp file, play d3dbsp file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with d3dbsp file - Call of Duty Modern Warfare 2 map file
Click on the software link for more information about Call of Duty 4: Modern Warfare. Call of Duty 4: Modern Warfare uses d3dbsp file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
