Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .dmg

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

Below, you can find answers to the following questions:

  • What is the .dmg file?
  • Which program can create the .dmg file?
  • Where can you find a description of the .dmg format?
  • What can convert .dmg files to a different format?
  • Which MIME-type is associated with the .dmg extension?
Mac OS X Disk Image .dmg file icon

Mac OS X Disk Image

DMG file is a Mac OS X disk image. You can burn it or just mount it in a virtual drive.
Category: Disk Image files
Application: Mac OS X Disk Copy
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
CDRWIN Binary Data File
DiscJuggler CD Image
WinImage Disk Image
CloneCD Image
ISO 9660 Cd-Rom Disk Image
CDRWIN Cue Sheet File
Direct Access Archive
CloneCD Image Information
CloneCD Sub Channel Data
Oracle Database Binary Dump .dmg file icon

Oracle Database Binary Dump

DMG file is an Oracle Database Binary Dump. Oracle Database is a multi-model database management system produced and marketed by Oracle.
Detailed description not available
Category: Data files
Application: Oracle Database
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Oracle Workflow Process Definition
Oracle Database Root
Oracle CODASYL DBMS Database Root
Oracle Configuration
Oracle Database Redo Log
Oracle Database Transaction Log
Oracle Database After-Image Journal
Oracle Database Recovery-Unit Journal
Oracle Database Storage Area

Other types of files may also use the .dmg file extension. If you have helpful information about .dmg extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Chessmaster Saved Game
Auto-trol Tech Illustrator Drawing
Autodesk AutoCAD Civil 3D DGM Document
Direct Hit Graphics Engine Output
DJGPP Makefile
Visual C++ Dialog
BYOND Dream Maker Source Code
BYOND Dream Maker Compiled World
Delgine DeleD Model File

The .dmg filename extension is often given incorrectly!

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

rmg (1), dgm (1), mdg (1), cmg (1), emg (1), dmy (1), dmt (1), dmn (1), dmb (1), wmg (1), dlg (1), smg (1), dhg (1), mg (1), dg (1)

Can't open a .dmg file?

If you want to open a .dmg file on your computer, you just need to have the appropriate program installed. If the .dmg association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.dmg

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android