.CDM File Extension

File Type 1

NTI CD-Maker Image

Developer NTI
3.7  |  10 Votes
Category Disk Image Files
Format Binary

What is a CDM file?

Disk image created by NTI CD-Maker (now NTI Media Maker), a program used for burning and copying CDs; referred to by the software as a "Virtual CD-Image," which stores the data necessary for burning a disc.

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NOTE: NTI Media Maker still uses CDM files for disc images.

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Programs that open CDM files

Updated July 16, 2015
File Type 2

Conceptual Data Model File

Developer SAP
2.0  |  1 Vote
Category Data Files
Format XML

What is a CDM file?

A CDM file is a data model created by SAP PowerDesigner, an enterprise modeling and design program. It stores a diagram that may include data items, entities, relationships, association links, notes, and shapes. CDM files also store metadata, such as the creator, creation date, and modification dates of the model.

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Screenshot of a .cdm file in SAP PowerDesigner 16
CDM file open in SAP PowerDesigner 16

CDM files are created to store a saved conceptual data model, which allows you to analyze the conceptual structure of an information system in PowerDesigner. It is a more abstract version of a Logical Data Model (LDM file) or Physical Data Model (.PDM file).

To create a CDM file in Power Designer, select File → New Model, select the "Information" category, choose the "Conceptual Data" category item, click OK, then choose File → Save.

To open a CDM file in Power Designer, select File → Open and choose the Conceptual Data Model CDM file you would like to open.

NOTE: PowerDesigner was originally developed by Sybase, which was purchased by SAP.

Programs that open or reference CDM files

Updated October 16, 2018

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