CML file format description

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

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

7 filename extension(s) found in our database.

.cml - ProWorx NXT Comment Data

The CML development files are related to ProWorx NXT. The CML file is a ProWorx NXT Comment Data. ProWORX NXT is produced by Schneider Electric, The simple cross platform programming solution for Modicon PLCs.

Application:ProWorx NXT
Category:Development files
Magic:- / -

ProWorx NXT Comment Data related extensions:

  • dgml Directed Graph Markup Language Document
  • zanebug Zanebug Data
  • mpp Modgen Source Code
  • u2 IBM Rational Tau U2 Model
  • jwg OpenScript Script
  • dmdl Asakusa Framework DMDL Model Data

.cml - CryptoMailer Encrypted File

The CML data files are related to CryptoMailer. The CML file is a CryptoMailer Encrypted File. CryptoMailer is a file and e-mail encryption utility, featuring AES and 3-DES.

Category:Data files
Magic:- / -

CryptoMailer Encrypted File related extensions:

  • adt Autodesk AutoCAD Audit Log
  • col Capture One Session Data
  • cpr Cubase Project
  • s02 RackTools Data
  • lwmw Likno Web Modal Windows Builder Data
  • ttv TempTale Manager Desktop Data

.cml - Chemical Markup Language File

The CML data files are related to Marvin. The CML file is a Chemical Markup Language File. The Chemical Markup Language (CML or ChemML) is a defined set of XML tags for chemists to communicate the structure of complex molecules.

Category:Data files
Magic:- / -

Chemical Markup Language File related extensions:

  • mrv Marvin Document Format File

.cml - Integration Designer Data

The CML data files are related to Integration Designer. The CML file is an Integration Designer Data. RTI Integration Designer is a control application software developed by Remote Technologies Inc.

Application:Integration Designer
Category:Data files
Magic:- / -

Integration Designer Data related extensions:

  • rft RoboForm Identity File
  • event Corel Cataloged Folder
  • mcr Tecplot 360 Macro Data
  • cb2 CamBam CAM Data Backup
  • fbmod Frosty Tool Suite Data
  • msw Modbus Slave Workspace

.cml - PADGen Company Info

The CML document files are related to PADGen. The CML file is a PADGen Company Info. PADGen is a small, lightweight and free application that lets you easily create PAD files for programs. The PADGen seems to be no longer supported.

Category:Document files
Magic:- / -

PADGen Company Info related extensions:

  • pad Portable Application Description
  • pml PADGen Program Info

.cml - Filetopia Collection Manager List

The CML data files are related to Filetopia. The CML file is a Filetopia Collection Manager List. Filetopia is a free, multi-platform peer-to-peer file sharing client, and networking tool that allows users to share files, use chat, and send instant messages.

Category:Data files
Magic:- / -

Filetopia Collection Manager List related extensions:

  • cma Filetopia Collection Manager Data

.cml - Crazy Machines Lab Data

The CML game data files are related to Crazy Machines. The CML file is a Crazy Machines Lab Data. Crazy Machines is a puzzle computer game created by a FAKT Software GmbH. The Crazy Machines seems to be no longer supported.

Application:Crazy Machines
Category:Game Data files
Magic:- / -

Crazy Machines Lab Data related extensions:

  • dn2 Duke Nukem II Game Data
  • con Train Simulator Model Identification
  • sqs Operation FlashPoint Script
  • chm Two Worlds 2 Animation Data
  • ddv Oddworld: Abes Oddysee Data
  • dvpl World of Tanks Blitz Game Data

Be careful.

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

Can't open a .cml 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 .cml file

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

The .cml 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:

chl, cjl, ckl, cl, cll, clm, cm, cm1, cmi, cmk, cmm, cmo, cmp, dml, fml

Is it possible that the filename extension is misspelled?

There is a possibility that the .cml 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 .cml:

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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