.DBO File Extension

Program object created with DarkBASIC Pro, a development program for creating 3D games, slideshows, and other applications; developed using the BASIC programming language; may include game levels, 3D models, textures, and other related data.

To create a DBO file, select "Export" from the File menu within DarkBASIC. Then choose "Dark Basic Object (*.dbo)" as the file type.