DM

dm icon

Paradox data model

File type: Various data file

Files with dm extension can be usually encountered as data models from Paradox database system.

Found 3 different file type records with the same dm filename suffix.

What is dm file?

File type category:
Various data file

Date updated: November 30, 2023

Record marked as obsolete and not updated for a long time.

File extension dm is related to Paradox, a relational database management system sold by Corel Corporation, which is part of some editions of Corel WordPerfect Office suite.

It was originally released for MS-DOS by Ansa Software, and then updated by Borland after it bought the company. In Paradox, a data model organizes data elements and standardizes how they relate to one another and to the properties of real-world entities.

A .dm files contains data models, used by several older Borland applications.

 

How to open dm file?

The .dm files are used for internal purposes of Paradox.

How to convert dm file?

Conversion to other formats is not possible.

Suggested software to open dm file:

Associated software actions with the dm file

Software apps that create dm files:

Microsoft Windows

Software applications that handle other tasks involving dm files:

Microsoft Windows

DeltaMusic audio data

File type category:
Audio and sound file

Date updated: December 20, 2018

The dm file extension is related to the DeltaMusic software.

The dm file contains audio data - 4 voices, 128 intruments, Arpeggiato and portamento. Code embedded in v2.0 modules, separated replay with v1.0 modules.

How to open dm file?

Use compatible tools to work with *.dm files.

How to convert dm file?

Probably can be exported to other formats.

Suggested software to open dm file:

Associated software actions with the dm file

Apps designed for playing dm files:

Microsoft Windows

DRM Delivery Message

File type category:
Binary file

Date updated: October 26, 2026

The DRM Delivery Message format was developed by Sony Ericsson Mobile Communications AB for distributing content protected with digital rights management (DRM).

The dm file extension was used for SIS or SISX installation files distributed through the Nokia Ovi app store. A dm file can contain a mobile application, media clip, ringtone, or other data protected with DRM.

SIS.DM and SISX.DM files are SIS and SISX files with added DRM data and a changed file extension. The format is associated with older mobile DRM workflows.

How to open dm file?

Use DRM Packager (Multiplatform) to work with dm files.

How to convert dm file?

Conversion to other formats is not possible.

Suggested software to open dm file:

Associated software actions with the dm file

Software applications that can open dm files:

Multiplatform

Software apps that create dm files:

Multiplatform

Related file extensions