A CDB file is a database file created by mobile devices running the Symbian OS. One such example is Nokia phones. It contains contact names, phone numbers, and addresses. CDB files are often used to create a backup and synchronize a Symbian device to the computer.

A CDB file is a database file created by CardScan, a business card scanner and content management software. It contains contact information stored in a proprietary format. CDB files can also be exported to various programs like Microsoft Outlook, iPhones, Blackberry handhelds, Windows mobile devices, and many other devices.

The CDB file extension was once used for the databases of Pocket Access, a version of Microsoft Access for Windows mobile. The CDB file contains database created and saved in Pocket Access but the software has now been discontinued.

CDB files are related to applications and IDEs like Turbo C. It stores main database files but Turbo C has now been discontinued and replaced by C++ Builder.

The CDB file extension is associated with the business process and data modeling tool PowerDesigner. It stores a conceptual model backup.

The CDB file extension is also being used to store key files by the program FreeOTFE. FreeOTFE is a tool that allows users to encrypt their hard drives.

CDB files are also related to the geospatial software ENVI and contain SIR-C compressed data used by the program.

The CDB file extension is associated with Giza Studio, created by 20-20 Technologies. It contains specifier design file created by the Giza Studio program.

This file extension is related to SeeYou, an app for gliders developed by Naviter. It stores waypoint files for SeeYou.

The CDB file extension is also used by The Cleaner, a Windows tool that protects a computer and cleans it of malicious software. It stores a database with information about Trojans.