CWM file format description

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

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

2 filename extension(s) found in our database.

.cwm - Common Warehouse Metamodel File

The CWM data files are related to IBM InfoSphere Discovery. The CWM file is a Common Warehouse Metamodel File. The Common Warehouse Metamodel (CWM) defines a specification for modeling metadata for relational, non-relational, multi-dimensional, and most other objects found in a data warehousing environment.

IBM InfoSphere Discovery
Data files
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Common Warehouse Metamodel File related extensions:
Pinnacle Hollywood FX Effects Data
Windows Credential Manager Credential Data
CARAIBES Georeferenced Depth Data
DB/TextWorks Messages Textbase
qs-STAT Q-DAS Shared Data File
Player Cdcheck Compressed Data

.cwm - IBM WebSphere Map Designer Express Map Definition

The CWM development files are related to IBM WebSphere Studio Application Developer. The CWM file is an IBM WebSphere Map Designer Express Map Definition. IBM WebSphere is a set of Java-based tools from IBM that allow customers to create and manage sophisticated business Web sites.

IBM WebSphere Studio Application Developer
Development files
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IBM WebSphere Map Designer Express Map Definition related extensions:
MATLAB Shared Library
FileMaker Pro Runtime Database
Altera Quartus II Block Symbol File
TeleFinder Page
XrmToolkit XRM Cache
Free Pascal Compiled Archive

Naturally, other applications may also use the .cwm file extension. Even harmful programs can create .cwm files. Be especially cautious with .cwm files coming from an unknown source!

Can't open a .cwm 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 a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .cwm 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. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

cam, cdm, cem, cm, cmw, csm, cw, cwk, cwl, cwn, dwm, swm, wcm, wm, xwm

Is it possible that the filename extension is misspelled?

There is a possibility that the .cwm 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 .cwm:

Microsoft xWMA Compressed Audio
ADS40 Camera Calibration Data
NucleoView Image Data
Splitted Windows Imaging File
Visual dBASE Customer Data Module
ClarisWorks Library Data

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

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

If you have useful information about the .cwm file format, then write to us! >> CWM file