Opening an MMO File

The MMO file type is primarily associated with PC SOFT WinDev.

MMO	File extension: MMO
	File type:	data file

What is an MMO file?

MMO files mostly belong to PC SOFT WinDev. MMO files serve multiple functions based on the software that creates them. They are not a single, standard file type but a container for different kinds of structured data.

Business Database: Some MMO files are PC SOFT WinDev HyperFileSQL databases used by business applications such as Ciel Gestion Commerciale. To open these, you need PC SOFT WinDev. More details are available at Ciel Gestion Commerciale.

Route Data: Other MMO files contain outdoor route information used by mapping systems like Memory-Map Navigator Overlay. Check further details at Memory-Map.

Emulator Save State: A number of them are NES emulator save states. They are typically compressed in a ZIP format and work with emulators like Mesen. Learn more at Mesen.

Money Transfer Data: Some versions store metadata for Ukrainian money transfer systems.

Game Archive: A few MMO files are used as multi-user game data archives. These are connected with systems such as MultiMarkdown and Medarot 2 Core. Additional information can be found at MultiMarkdown.

FilExt.com note: Review the file header or documentation to identify the correct software needed to open your MMO file.

How to open an MMO file

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

Online MMO Text Viewer

Choose your .mmo file to analyze

or drag and drop it here

Online File Viewer

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MMO file format details:

A file format defines how the data in the file is structured. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So you need a detailed analysis of a file to find out the format and the associated program. Our analysis of the MMO files produces the following result:

The MMO extension is quite commonly used. The file itself is used by a few programs, each with its own file format. The following file formats are most commonly found in MMO files:

• 40% of all MMO files are associated with Hyper File memo. They consist of illegible, cryptic characters. The files are often between 210 bytes and 35 MB in size. The file type is relatively new. The file name Article.MMO is characteristic of these files. Files like these are sometimes connected to fichier, client and produit.
• 25% of all MMO files have the same signature FF FF. They consist of unreadable binary data. Most of these files are 2 KB to 100 KB in size. The following keywords are characteristic: CCategory, CObjWaypoint, CObjRoute, Waypoints, CObjIcons and Unnamed object. These files are attributed to walk, circular and route, and often include person-related information.

All the rest of the MMO files (35%) have different formats, often, for example, ZIP. These files sometimes refer to tetris, mario, super, bros, question, image or world. You can get all the details of your MMO file by dragging it onto this page or by clicking the button "Choose your .mmo file to analyze" above.