Files with cbd file extension are used for compressed binary map data files.
There is one other file type using
the CBD file extension!
.cbd - Corel WordPerfect dictionary
CBD file extension - Vector map data format for mapbrowser and mapwriter
What is cbd file? How to open cbd files?
File type specification:
The cbd file extension is file format for compressed binary map database (*.cbd) files, designed to encode features from a vector map database.
Map data in this format can be used by the map-browser and mapwriter programs to browse and render raster map images from the vector data.
This cbd file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.