Opening an MW2 File

The MW2 file type is primarily associated with MicroWorlds EX.

MW2	File extension: MW2
	File type:	data file

What is an MW2 file?

MW2 files mostly belong to MicroWorlds EX. An MW2 file can belong to different software environments and holds distinct types of data.
For the majority of cases, it is a MicroWorlds project file created with MicroWorlds EX. This file stores interactive project data including code, images, and settings, and it must be opened with the MicroWorlds EX software. For more details visit MicroWorlds EX.
Other uses include:

Multiwell 2 data file: This variant is used in laboratory settings to record measurement data from ChronoLog Aggregometers.

Call of Duty game data file: This type contains game configuration and asset information for Modern Warfare 2, produced by Perfect World International. More on this can be found at Modern Warfare 2.

FilExt.com tip: Each form has its own internal structure. To open and view an MW2 file, check its origin and use the appropriate software tool.

How do you open MW2 files?

You need a suitable software like MicroWorlds EX to open an MW2 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 MW2 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a MW2 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online MW2 Text Viewer

Choose your .mw2 file to analyze

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Online File Viewer

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Programs that open and convert MW2 files:

MicroWorlds EX
See the previous paragraphs to learn more about the main application. MW2 files are often referred to as MicroWorlds EX data files because this type of file is primarily created or used by this software.
MicroWorlds (LOGO Activity) by Logo Computer Systems Inc.
MicroWorlds is an environment in which students can explore and test their ideas as they create science simulations, mathematical experiments, interactive multimedia stories, and other projects. The identifying characters used for this association are - Hex [Position 3]: 00 6D 77.
Super Mario World (File) by Nintendo
Super Mario World (commonly abbreviated SMW) is a platform game developed and published by Nintendo Co., Ltd. For the Super Famicom/Super Nintendo Entertainment System. ROM hackers will often use tools like Lunar Magic to edit levels or add new levels to the game. Version 1.60 of Lunar Magic uses only one .MWL file; prior versions required *.MWL, *.MW0, *.MW1, *.MW2, and *.MW3 files. Related links: Super Mario World Wikipedia Entry, SMWiki: Secondary SMW Hacking Resource, SMW Data Repository, UltraSMW: A Project to Replace All Levels

Technical Data for MW2 File Extension

File classification:

Data

Identifier:

Hex [Position 3]: 00 6D 77 (provided by TrID database)

Related files:

mw1, mw3, cod, exe, zip, rar, dat, xml

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: MWFIle
EXEFile: %ProgramFiles%\LCSI\MicroWorlds EX Demo\mwex.exe %1

an mw2 data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with MW2 files

Associate the MW2 file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest MW2 file format. Search, therefore, e.g. on the manufacturer website after an available MicroWorlds EX update.
To make sure that your MW2 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .MW2 file online - secure, fast, and no downloads needed.