Mbm extension states for Multi Bitmap image files. You may try to open these files with bitmap converter.
It is an image format that used with symbian operating system. Mbm files can be a wallpaper or beginning image. You have a chance to open mbm files on your computer. In this case, you should use xnview software. You may need to convert mbm files to different format, for this, you should check symbians web page.
What to use mbm
Bitmap Converter (bmconv.exe)
which page related to mbm file
mbm Related Searches
You can check related links about mbm fileextension.