A daily updated filename extension database!

DM file extension

The table below provides useful information about the .dm file extension. It answers questions such as:

  • What is the .dm file?
  • What program do I need to open a .dm file?
  • How can the .dm file be opened, edited or printed?
  • How can I convert .dm files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ DRM Delivery Message

DM file is a DRM Delivery Message. OMA DRM is a Digital Rights Management (DRM) system invented by the Open Mobile Alliance whose members represent the entire value chain, including mobile phone manufacturers, operators, and IT companies.
Category: Archive files
Application: DRM Packager
Mime-type: application/vnd.oma.drm.message
Magic number: -
Magic string: -
Sample: -
DM aliases:
DM related links:
DM related extensions:
OMA DRM Content Format

OMA DRM Rights Object WebXML

OMA DRM Rights Object XML

DRM Forward Lock

✅ BYOND Dream Maker Source Code

DM file is a BYOND Dream Maker Source Code. The DM (Dream Maker) language uses a syntax similar to C/C++ to build networked multi-user worlds. This reference and the accompanying guide discuss the structure and function of DM.
Application: BYOND Dream Maker
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DM aliases:
DM related links:
DM related extensions:
BYOND Dream Maker Icon File

BYOND Dream Maker Map

BYOND Dream Maker Compiled World

Other types of files may also use the .dm file extension.

🚫 The .dm file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cm, dh, dj, dl, dn, em, fm, md, rm, sm, vm, wm, xm

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Stepmania Song
Adobe Dimension Model Data
FLEXnet Manager Debug Log
PCEM Electromask Data
MuseData Score
Adobe FrameMaker Document
Chaos Desktop Metadata
Sega Genesis ROM MD
Mayura Draw Document
GTA San Andreas CLEO Custom Mission

🔴 Can't open a .dm file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .dm file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .dm file extension, write to us!

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