MO file format description

Many people often share .mo 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 .mo files. To address this issue, we have created this page to offer assistance and guidance on handling .mo files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .mo files.

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

5 filename extension(s) found in our database.

.mo - GNU Gettext Machine Object File

The MO development files are related to GNU Gettext. The MO file is a GNU Gettext Machine Object File. GNU gettext is the GNU internationalization and localization (i18n) library. It is commonly used for writing multilingual programs. MO (Machine Object) files are compiled, machine-readable PO (Portable Object) files.

Application:GNU Gettext
Category:Development files
Magic:- / -

GNU Gettext Machine Object File related extensions:

  • pbxbtree Xcode Auto-Complete Database
  • classpath Eclipse IDE JAVA Project Classpath Data
  • au3 AutoIt v3 Script
  • wct Visual Basic WebClass HTML Template
  • mexhp3 MATLAB HP9000/Series 300 Dynamically Linked Subroutines Data
  • ftt Falcon Translation Template

.mo - Dymola Simulation Data

The MO data files are related to Dymola. The MO file is a Dymola Simulation Data. Dymola (Dynamic Modeling Laboratory) is a complete tool for modeling and simulation of integrated and complex systems for use within automotive, aerospace, robotics, process and other applications.

Category:Data files
Magic:- / -

Dymola Simulation Data related extensions:

  • act RSView Machine Edition Accound Data
  • lsp Audacity LSP Data
  • gramps GRAMPS XML Data
  • iis Panasonic Camcorder IIS Metadata
  • changedb SQLite Changes Data
  • clkm Clicker Matching Set

.mo - Modelica Model

The MO data files are related to Modelica. The MO file is a Modelica Model. Modelica is an object-oriented, declarative, multi-domain modeling language for component-oriented modeling of complex systems.

Category:Data files
Magic:- / -

Modelica Model related extensions:

  • moe Modelica Encrypted Model

.mo - Transport Fever Game Text Data

The MO game data files are related to Transport Fever. The MO file is a Transport Fever Game Text Data. Transport Fever is a railroad-focused tycoon game for Microsoft Windows.

Application:Transport Fever
Category:Game Data files
Magic:- / -

Transport Fever Game Text Data related extensions:

  • vpcache Visual Pinball Rendered Table Cache
  • w2ent The Witcher 2 Game Entity Data
  • rs Xpand Rally Xtreme Replay Data
  • far The Sims Archive
  • hpi Spring HAPI Compressed Data File
  • ndm Enemy Territory: Quake Wars Demo File

.mo - Modula-3 Compiled Object

The MO development files are related to EzM3. The MO file is a Modula-3 Compiled Object. Modula-3 is a modern programming language that supports interfaces, objects, generics, lightweight threads of control, the isolation of unsafe code, garbage collection, exceptions, and subtyping. The EzM3 seems to be no longer supported.

Category:Development files
Magic:- / -

Modula-3 Compiled Object related extensions:

  • b Modula-3 Base Program
  • i3 Modula-3 Interface Source Code
  • ig Modula-3 Generic Interface Source Code
  • is Modula-3 Intermediate Assembly File
  • ixx Modula-3 Linker Information Data
  • mc Modula-3 Intermediate Language Code

Be careful.

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

Can't open a .mo 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 .mo file

To set the .mo 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 .mo file association. Many applications can open .mo files without requiring any specific file association to be set.

The .mo 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:

ho, jo, ko, lo, mi, mk, ml, mp, om

Is it possible that the filename extension is misspelled?

There is a possibility that the .mo 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 .mo:

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

Verified by

The verification conducted by the team ensures that the information presented is accurate, reliable, and thoroughly researched. Users can rely on as a trusted source of information, knowing that their team's dedication to verification and quality control provides a dependable resource for staying informed. is not liable for the content and accuracy of external links, even if we exercise careful control over them.

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