DMG file is the place to store applications in macOS. Open the DMG file, drag the application to the Applications folder , and then remove them. This limits you from the scary 'Install Wizard' for most Windows applications. So, if the DMG file acts as a directory for an application, why do users have to use them instead of just downloading the application?
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EML is the extension supported by multiple e-mail clients like Outlook Express, Thunderbird, Windows Live mail. MSG is the extension supported by Microsoft Outlook.eml file can be read by its E-mail client along with other. Like Outlook can read.eml files.msg file can only be saved for e-mails and messages.
What is DMG file?
- Why does macOS use DMG files?
- How to use DMG file?
- Clean up
- Can I use DMG file in Windows?
- Can you create your own DMG file?
Picture 1 What is DMG file? download this picture HERE
Why does macOS use DMG files?
The main reason that MacOS uses DMG files is to make sure the file is properly downloaded and not spoofed. DMG files undergo a 'checksum', basically verifying that the file is 100% intact. This is what you see when the file is open:
Picture 2 What is DMG file? download this picture HERE
This small window first goes through a file verification phase and then, when it's sure it's a good file, the file will be moved to the decompression process. And that's the second reason macOS uses DMG files: They have a compressed format (like ZIP file) that makes the file size smaller. Saving data usage when downloading is always a good thing.
How to use DMG file?
Fortunately, MacOS does a great job of making things easy. All you really need to do is double click on the DMG file to open it, and mount it to your Mac.
Picture 3 What is DMG file? download this picture HERE
DMG mounts in two places: on the desktop and in the Finder sidebar in your hard drive. Click on either of these places to open the DMG file.
Picture 4 What is DMG file? download this picture HERE
When opening the DMG file, you will often see two things: Application and link to your application folder. Some DMG files - like Steam DMG are shown above - there are backgrounds that are styled for decorative purposes.
To install the application, drag the application to the Applications folder . It may take a second to copy, but when finished, you can launch the application from Launchpad or Spotlight just like any other application.
Note: Do not launch the application right from DMG. The application will no longer be available after you delete the DMG file.
Clean up
When you finish installing the application, you will have two copies, one in DMG format and one in the Applications folder . You can remove a copy of DMG because you no longer need it.
Picture 5 What is DMG file? download this picture HERE
First, remove the DMG file by right-clicking on it and selecting the 'Eject' command , or by pressing the eject button next to the drive in the Finder. This will unmount the DMG file from your system.
Next, delete the DMG file itself, unless you have a reason to keep it.
Can I use DMG file in Windows?
There are not many reasons why you want to use DMG files in Windows, because they often contain MacOS applications, not Windows applications. However, if you need to open a DMG file, 7-Zip supports extracting DMG files. If you want to convert DMG to another compressed format (such as converting DMG to ISO, like the DMG file format for Windows), a tool like DMG2img will help you get the job done.
Can you create your own DMG file?
Picture 6 What is DMG file? download this picture HERE
Yes, you can, and do so more useful than you think.
In addition to providing good compression level, DMG files also support AES 128 and 256 bit encryption, which means you can create a password-protected compressed folder.
Open Disk Utility and select File> New Image> Image from Folder (or Blank image if you want to create an empty DMG file that you can add content later). In the window that opens, select the folder you want to encrypt and click the 'Choose' button .
Picture 7 What is DMG file? download this picture HERE
You will then have the opportunity to configure some additional options, such as whether to save the file and whether to use encryption. When you encrypt the folder, the Mac will prompt you to enter the password twice.
Also, by default, the DMG file can only be read, but if you want to read and write to the DMG file, change the 'Image Format' option to 'Compressed' to 'Read / Write'.
Picture 8 What is DMG file? download this picture HERE
When you open the new DMG file, it will prompt you to enter the password you selected. After entering the password, the DMG file will be mounted as any other file.
Picture 9 What is DMG file? download this picture HERE
Except for this time, DMG file is not just an application. It contains whatever you have stored there.
See more:
- 3 tools to read DMG file extensions on a free Windows PC
- Instructions for installing new fonts in Mac OS X
- Instructions on how to transfer ESD file to ISO for Win XP, 7,8,10
Computers may come pre-loaded with software, but it is rare to find a computer with no additional software installed. Installing new software is a process that takes a minimum of thought and mostly relies on clicking buttons in an installer.
Two file types are in common usage on Windows, and you may have seen or used both at some point. These are “.exe” and “.msi,” and you may feel hard-pressed to spot any differences, but it is no surprise to find they differ.
.exe vs. .msi
Before tackling their differences, it is worthwhile to assert their similarities. They are both application installersm and the goal of their development is the same – straightforward software installation via a straightforward installer.
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EXE: Executable
Unsurprisingly, the three-letter file type expands into the word “executable,” which is a straightforward explanation of how installation works. The installer features options such as associating it with file types or allowing it to start with Windows.
The .exe file type can also request additional plugins and background software which is something you are likely to have noticed installing games or particular programs. They may require Microsoft’s .NET framework in order to operate properly, and the installer will allow you to begin the download by clicking a button.
During installation there may also be prompts to choose an install language. This is something the .exe file type can accommodate readily while it is seemingly more challenging to accomplish the same goal with .msi installers. While not impossible to do, the increased simplicity may aid in choosing an .exe installer.
However, .exe does not relate solely to installation of software. Windows uses the same file extension elsewhere, and Task Manager only serves to evidence this. Windows processes, including those vital to the operating system and your software, all end in .exe. Another example is if you need to restart Windows Explorer, the command in the “Run” window is not “explorer,” but “explorer.exe.”
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MSI: Microsoft Installer
The appearance of the installer is usually very consistent within the .msi file type. Their layout is clearly defined when they are compiled, meaning aesthetic variation is not as easily found as with .exe files for games and software.
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As a result, it may be easier to follow the layout of an .msi installer, and less experienced users could find themselves more acclimatised to it more quickly. The associated complexity with achieving certain functionality under .msi guidelines could, in theory, result in a simpler installation for a sub-set of their likely user base.
Installation on demand is the other feature that .msi is notable for, and it is one .exe cannot replicate. Initial installs can be very quick as little takes place – the main process takes place after software launch. Microsoft itself states that this can “shorten the installation and configuration phase;” in other words, the .msi installer could be faster in some situations.
One final fact clearly divides the two file types, and that is their intended usage. The .msi file type is simply better for network deployment. System administrators can use it to push software across numerous computers at once. While articles explaining how software deployment works exist, they all point to this one file type.
Which installer to use?
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The concern raised in this question is so minor it’s negligible. Both will work fine with single computers, and they both function without issue. It is easier to decide based on what installer is available instead of allowing outside factors to complicate the issue. The choice could be made by a factor outside of user control such as download speeds compared to file sizes.
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