CMO file format description

Many people often share .cmo files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .cmo files. To address this issue, we have created this page to offer assistance and guidance on handling .cmo files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .cmo files.

Our aim is to simplify the process and promote seamless use of the .cmo file format.

4 filename extension(s) found in our database.

.cmo - OCaml Compiled Bytecode

The CMO development files are related to OCaml. The CMO file is an OCaml Compiled Bytecode. OCaml (Objective Caml) is the main implementation of the Caml programming language, created by Xavier Leroy.

Category:Development files
Magic:- / -

OCaml Compiled Bytecode related extensions:

  • cmi OCaml Compiled Interface
  • cmt OCaml CMT Data
  • cmxa OCaml Library
  • ml OCaml Source Code
  • mli OCaml Interface Source
  • mly OCaml Ocamlyacc Input Data

.cmo - 3DVIA Virtools Behavioral Server Composition

The CMO data files are related to 3DVIA Virtools. The CMO file is a 3DVIA Virtools Behavioral Server Composition. 3DVIA Virtools is a complete development and deployment platform for virtual environments, game and interactive 3D applications.

Application:3DVIA Virtools
Category:Data files
Magic:- / -

3DVIA Virtools Behavioral Server Composition related extensions:

  • spl LISREL 8 SIMPLIS Syntax Data
  • dzbl Cyberlink PowerDirector Effect Extractor Data
  • cel PTC Creo Machine Parameter Data
  • spdesignweb Microsoft SharePoint Designer WEB Data
  • plb MicroSim PCBoard Package Library
  • q09 Intuit QuickTax 2009 Tax Return Data

.cmo - Visual3D C-Motion Output Data

The CMO data files are related to Visual3D. The CMO file is a Visual3D C-Motion Output Data. Visual3D is the #1 rated research software product for 3D Motion Capture data analysis and modelling.

Category:Data files
Magic:- / -

Visual3D C-Motion Output Data related extensions:

  • v3s Visual3D Pipeline
  • vnd Visual3D Normative Data

.cmo - Spanish Whiz Audio Data

The CMO audio files are related to Spanish Whiz. The CMO file is a Spanish Whiz Audio Data. Spanish Whiz is a three-level program designed to be an aid for anyone who is trying to learn Spanish. The Spanish Whiz seems to be no longer supported.

Application:Spanish Whiz
Category:Audio files
Magic:- / -

Spanish Whiz Audio Data related extensions:

  • sy1 Synth1 Sound Bank
  • dewf SoundEdit Recorded Instrument
  • ariax Chipsounds XML Sound
  • kss MSX KSS Audio Data
  • f4b Adobe Flash MP4 Audio Book
  • rfl Reason ReFill Sound Bank

Be careful.

It is important to understand that the .cmo file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .cmo extension to create files. This includes potentially harmful programs or malware that may generate .cmo files for various purposes. Be especially cautious with .cmo files coming from untrusted or unknown sources.

Can't open a .cmo file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize an extension, you receive the following message:

Select an app to open this .cmo file

To set the .cmo file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .cmo file association. Many applications can open .cmo files without requiring any specific file association to be set.

The .cmo file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

cho, cko, clo, cm, cmi, cmk, cml, cmp, cno, co, com, dmo, fmo, mco, mo

Is it possible that the filename extension is misspelled?

There is a possibility that the .cmo filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .cmo:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .cmo page useful, please feel free to link to this page. >> CMO file