How To Create A Dmg File

  1. How To Make A .dmg File Into An Iso
  2. How To Create Dmg File From Xcode
  3. How To Create A Dmg File On Windows

How does one create a DMG of the smallest size for the given folder? I'm referring both to the size of the.dmg file, and to the size of the filesystem when it's later mounted. If I'm compressing a 73MB folder, I'd like both of these to be 73MB + the minimal filesystem overhead. I'd also like the.dmg to be compressed, so that it takes up less. Hdiutil internet-enable -yes 'MyDiskImage.dmg' This should work on any DMG file. If you want users to see your pretty background, you might not want to do this. However, for simple payloads it's a nice way to go. (Of course, some people would prefer to create a ZIP file for this sort of deployment, anyway.). Open up Disk Utility and choose File New Image Image from Folder (or blank image if you want to make an empty DMG file you can add stuff to later). In the window that pops up, select the folder you want to encrypt and click the “Choose” button.

A DMG file refers to a compressed number of files stored in Mac OS operating system. Think it like similar to an ISO file in Windows operating system. Unfortunately, DMG files are not supported in Windows operating system and neither could you create nor extract a DMG file in Windows operating system. However, in any inexplicable moment if you find yourself in a situation where your Macbook is broken and you need to create a DMG file in your Windows operating system then you can certainly accomplish this task by using a third party software that we are about to introduce in this article.

Other ways to create a bootable USB drive from a DMG file in Windows is to convert it into ISO image file which is a supported file format in Windows to make it conventional and usable. We will be sharing all these tricks, so continue reading this guide without any hesitation.

Method #1: Convert the DMG File into ISO Image File

Like we mentioned before, one of the standard file format in Windows computers is ISO image files. However, since we cannot extract files from DMG file in Windows computers, first, we will have to convert it into a compatible ISO image file. Then further, we will create a bootable USB drive using those extracted data. It sounds complicated but if you keenly follow the below guidelines then it could be lot simpler and definitely plausible.

Step 1. Press 'Windows + R' button in your computer to open the 'Run' utility.

Step 2. Type 'CMD' and press enter to launch the command prompt application.

Step 3. Locate the directory of your DMG file in your PC. For instance, if it's saved in 'D:' Drive then simply type 'D:' then enter. Now, the command prompt will fetch all files from the 'D:' drive of the computer.

Step 4. In order to convert the DMG file to ISO, you will have to run the following command –

hdiutil convert /path/bootablefile.dmg -format UDTO -o /path/windowsimage.iso

Note: Replace the: bootablefile.dmg' to the DMG file name in your PC and the 'windowsimage.iso' to something appropriate to your requirement.

After this, use any ISO to USB burning tool to make a bootable USB installation drive.


  • File could be severely damaged.
  • Booting process may not go through.
  • USB flash drive may corrupt inexplicably.
  • Programming knowledge is absolute necessity.

Method #2: Create A Bootable USB from DMG using UltraDMG

UltraDMG is the best and most powerful utility to create bootable USB drive from DMG files. It allows you to manage the entire data inside a DMG file even if you have ZERO experience in this field. The user interface is simple to operate and you will find all the necessary options in the software whether it's extracting, viewing, editing or even copying a DMG or ISO file into a flash drive or CD/DVD. The data burning process of UltraDMG gives the highest success rate in this entire industry and that's why it's the perfect software for creating Bootable USB drive from a DMG file or ISO image file in Windows PC.

Unlike other methods shared in this article, you don't have to worry about damaging the DMG file. UltraDMG has been tested several times to handle these types of tasks. Every single features provided by UltraDMG is functional to its utmost level. Afterwards, the testing results with are always successful as long as you have a healthy and working DMG file. Now, let's get started with the software and its functionality.

Step 1: Download the UltraDMG tool on your Windows or mac computer, install and run it as soon it is installed. The installation process is pretty standard and self-explanatory.

Step 2. Connect the USB flash drive where you want to burn the DMG file to. Select the source folder of DMG file from your local and choose the flash drive name as well. (Make sure the flash drive is empty because the software will format the entire disk)

Step 3. After the setup is completed, click on 'Burn' and let the software do its magic. This may take several minutes depending on the computer configurations.

Step 4. After a short brief period, the USB flash drive should be ready to use and it will be bootable by default. You may now use the USB flash drive to install the macOS in any computer or laptop.

Now, you can download the UltraDMG tool and give it a try!


Method #3: Create A Bootable USB from DMG using PowerISO

PowerISO is a third-party paid software that allows you to burn a DMG file into a USB flash drive. By default, it will be bootable, however, the price of PowerISO is absurd. It's way too expensive, so if you want to burn some cash then go ahead and use this tool.

Step 1. Download and install PowerISO in your computer by following the default instructions.

How To Create A Dmg File

Step 2. Open the software and import the DMG file directly into the software.

Harvard university. Step 3. Click on 'Tools' followed by 'Burn' to write all the data from DMG file into USB flash drive.

Step 4. Make sure to check all the required settings before clicking the 'Burn' button. After the burning process is completed, you should have a bootable USB drive.


How To Create A Dmg File

1) Very very expensive software.
2) User interface is not friendly and complicated.
3) Choosing wrong options can corrupt the DMG file forever.


We will recommend using UltraDMG in case if you have no experience on how to create bootable USB from DMG on Windows. It’s best for both beginners and experts. UltraDMG is a useful tool too but it will burn a hole in your pocket. So, we believe the most effective way to deal with DMG files is by using UltraDMG as it’s simple and intuitive user interface makes every easier and simpler.Hopefully, you guys were able to create a bootable USB drive from a DMG file on Windows computer and if you have got any issues don't forget to contact us.

Sep. 10 ,2020 / Posted by Vicky Tiffany to Windows
  • How to recover lost or forgtten password for Windows 8

  • What to Do If You Forgot or Lost Windows 10 Login Password

DMG file format is one of the most well-known container format to distribute and compress software on Mac operating system. You can compare DMG files with ISO files in Windows computers. The only difference is DMG is compatible with Mac computers and ISO is compatible with Windows computers.

It is the most popular file format to install Mac or Windows operating system these days. However, if you try to run DMG files on Windows, it will not be compatible and no application in Windows can run it. Nevertheless, if you convert the DMG file to ISO file format then you can easily extract all the files from that ISO image on Windows computers.

Reasons to Convert DMG to ISO:

  1. DMG is not compatible with Windows operating system.
  2. Any Windows operating system can extract files from ISO image.
  3. Install operating systems or software on DMG files in Windows computers.
  4. ISO files gives more options to operate with in Windows systems.

In this tutorial, we will show you two efficient ways to convert DMG to ISO image files so that you can run them in Windows operating system.

Method: Convert DMG to ISO with Command Prompt

In this method, we will be combining dmd2img tool with command prompt app to convert DMG to ISO file format. It is a bit complicated but if you follow the below instructions correctly then you will surely be able to accomplish this.

Step 1. Launch your favorite browser and open http://vu1tur.eu.org/tools/

Step 2. Download the dmg2img tool by clicking on “win32 binary” link.

Step 3. After downloading the zipped file, right click on it and choose “Extract All…” from the given options.

How To Make A .dmg File Into An Iso

Step 4. Now, press Shift and make a right click together on the folder where you have extracted the files to open the command prompt window.

Step 5. Click dmg2img.exe file and type the following command line on the command prompt window and press Enter.

dmg2img <source file.dmg> <destination file.iso>

For example, if want to convert a DMG file named as abcdef.dmg then type the following command line

dmg2img “C:UsersAdministratorDesktopabcde.dmg”


Step 6. After you have hit enter, the file will be converter in no time.

Step 7. You may now burn the ISO image on your Windows operating system without any issue.

How To Create Dmg File From Xcode

Conclusion –

How To Create A Dmg File On Windows

Converting DMG to ISO could be challenging if you don’t know how to do it properly. However, in this guide we have shown two amazing ways to accomplish this without damaging the original DMG file. Remember, if you are using Mac then DMG file is enough to install apps and operating systems, but in Windows systems, you will have to convert the DMG to ISO in order to make it usable. It is suggested that you download and copy the DMG file on your Windows computer first then perform the above methods to convert it.