.MBM File Extension
File Type 1Kerbal Space Program Texture File
What is an MBM file?
3D model texture used by Kerbal Space Program (KSP), a space program building game; saves textures referenced by the .MU mesh file; used for providing the surface appearance of space shuttles and other space objects.
File Type 2Multi Bitmap File
.MBM File Association 2
Bitmap image format that can store several bitmap (.BMP) images in a single file; used on mobile devices that run the Symbian OS; may store wallpapers, startup images, or pictures used by Symbian applications; can be opened with the Symbian OS Images program on mobile devices.
The MBM format originated from the "PSIoN serie 5" format and is sometimes referred to as the "Mobile Bitmap" format.