Mac OS X Disk Image
Disk Image Files
To edit DMG file, we strongly recommend installing software that works with DMG files. Using tools such as DMG Online Editors gives less editing possibilities than software adapted to work with the DMG file format.
The installation of the program that supports the DMG file does not guarantee that the file can be edited. Additional information about the DMG file extension can be found here.
Definitely the best solution. Try to open the DMG file with one of the programs and it will see if you can edit the DMG file. The most proven method is to download the installer from the developer's website. You can find direct links to the creators' websites on the subpages of each application. Below you will find some examples of software programs that support the DMG file (so it is very possible that they can edit files in DMG format).
The full list of DMG supporters
Most of the file formats are simply text format saved under a different extension - so you can open them e.g. with Windows Notepad However, it's dangerous, you can permanently damage your DMG file. When you save the changes, you may no longer open the DMG file. For this reason, try to use software created to edit DMG files.
It seems that one of the software on the list must be able to edit the DMG files. Use other options if you still haven't found a way to edit DMG. Verified websites with the option to edit the file in the DMG format below.
Free Online File Edit Service
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