Opening MGD Files

The MGD file type is primarily associated with Mir4 client / MGDEditor.

MGD	File extension: MGD
	File type:	data file

What is an MGD file

MGD files mostly belong to Mir4 client / MGDEditor. MGD files come in various forms.
Some files use the Mir4 game data format stored in JSON.

This version holds game settings, resource paths, and event data. Check details at Mir4 Global.

Other files are Garmin GPS data files that store mapping information as part of the Multigen Geometry Database.

These files work with software like MGDEditor. Visit Garmin for more info.

Some MGD files are used for a 3D model format or for magnetometer data from sensor measurements.

Magnetometer files are managed with dedicated viewers; more details at Intermagnet.

FilExt.com tip: This file type requires checking its content to decide which specialized software will open and view it.

How can I open an MGD file?

You need a suitable software like Mir4 client / MGDEditor to open an MGD file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your MGD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a MGD file directly in the browser:. Just drag the file onto this browser window and drop it.

Online MGD Text Viewer

Choose your .mgd file to analyze

or drag and drop it here

Online File Viewer

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MGD format details:

To view or edit MGD files you need to know the file format, because it determines how the data in this file is stored. The file format can be deduced from the file extension and the signature. However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. If there are problems opening a file, you must first determine the file format used. In the following you will find our evaluation of the MGD files:

The MGD file extension is not found very often and has no uniform or dominant file format. However, the following two file formats are common:

• 15% of all MGD files have the same signature AA 00 01 96. They consist of illegible, cryptic characters. The files are often between 42 KB and 70 KB in size. The file type was developed only in the last few years. A common filename is 21010400.MGD or 20180601.MGD.
• 10% of all MGD files save the data in JSON file format. JSON (JavaScript Object Notation) is a lightweight data−interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. These files contain text and words, not binary data. The files are 69 bytes to 80 bytes in size, with a median of 71 bytes. Several words can almost always be found in the files, e.g. client_version, one_process_id, two_process_id, DirectX, Mir4G, dx_version, execname, launcher_version and region. The following filename is common: clientdata.mgd or 720_gamedata.mgd. Such files are related to gamedata.

All other MGD files (75%) have no consistent format, such as ZIP, GZIP, CMD, DATA and FJSYS. Tagged as data. If you want to find out what your MGD file contains, drag and drop it onto this page.