WDB files are used in Windows Work Database, and since they are discontinued, you need to use one of these methods to open WDB files ...

How to Open GDB Files. A file with the GDB file extension is an InterBase database file. The GDB file type is the native file type for versions of the InterBase Database prior to version 7.

How to Open WPS Files in Open Office. The free OpenOffice software suite includes a word processor, a spreadsheet editor, a database program and a presentation editor, making it a cost-effective ...