There is only one file type that uses the .UDB extension:
Dynamics AX User Database File
Database file used by Microsoft AX business management software; contains a list of users, the Component Object Model (COM), and the Application Object Server (AOS); also includes database connections and the types of connections.
NOTE: UDB files are used by Microsoft Dynamics AX 3.x.
|Microsoft Dynamics AX||Commercial|
Updated: March 2, 2008