File extension Details of CM, CFG, CFG, CUI, CWF, CNF, CLR, HID, CONF

Name:	CM
File Type:	Cable Modem Configuration File
Popularity:	3
Category:	settings
File Description:	Configuration file stored on a cable ISP network; fetched by the cable modem during the boot-up sequence; determines the maximum downstream and upstream transfer rates and tells the cable modem if there are any firmware updates available. The CM file resides on the cable modem and typically is not transferred to the computer; CM files are referenced by the ISP and should not be opened manually.
Open Programs:	Mac OS Used by the cable modem Windows Used by the cable modem

Name:	CFG
File Type:	Configuration File   (Most common)
Popularity:	5
Category:	settings
File Description:	Generic preferences file; stores settings and configuration information for various programs; should not be opened manually, but may often be moved or deleted to revert to a program's default settings. To test if a program automatically generates a default CFG file, move the configuration file out of the default directory when the program is not running; then open the program and check the directory if a new CFG file has been created.
Open Programs:	Mac OS Used by many programs Windows Used by many programs

Name:	CFG
File Type:	Citrix Server Connection File
Popularity:	3
Category:	settings
File Description:	Contains connection information for connecting to a Citrix server; may include hostname, IP address, server port, username, password, etc; multiple CFG files may be used by Citrix client software to connect to various servers.
Open Programs:	Mac OS Citrix Access Client Windows Citrix Access Client Linux Citrix Access Client

Name:	CUI
File Type:	AutoCAD Custom Workspace File
Popularity:	3
Category:	settings
File Description:	Saves workspace settings for AutoCAD, an architectural drawing and engineering program; includes window and palette settings as well as custom toolbar and menu configurations; may be used to load full or partial custom workspaces.
Open Programs:	Windows Autodesk AutoCAD

Name:	CWF
File Type:	CorelDraw Workspace File
Popularity:	3
Category:	settings
File Description:	Stores workspace settings saved in CorelDRAW; includes toolbar configurations, palette settings, and window positions; can be exported from CorelDRAW by selecting "Tools->Options->Workspace->Export Workspace..." CWF files allow users to quickly switch between multiple workspaces within CorelDRAW or load a saved workspace from another computer.
Open Programs:	Windows Corel CorelDRAW

Name:	CNF
File Type:	Telnet Configuration File
Popularity:	3
Category:	settings
File Description:	Stores information used to make a telnet connection, such as the server name, username, and password; serves as a shortcut for common telnet sessions
Open Programs:	Mac OS Mac OS X Terminal Windows Windows Telnet

Name:	CLR
File Type:	CryptLoad Router Information File
Popularity:	3
Category:	settings
File Description:	Contains router information used by CryptLoad, a file downloading program; may enable a user's system to bypass standard downloading limits; must be placed in the /Cryptload/router folder in order to be recognized by the program. CryptLoad router files are typically named "myRouter.clr" or "info.clr."
Open Programs:	Windows CryptLoad

Name:	HID
File Type:	Sony Ericsson Remote Settings File
Popularity:	3
Category:	settings
File Description:	Stores configuration information for using a Sony Ericsson cell phone as a Bluetooth remote control; maps keys on the phone to certain keys or commands on the computer. Different HID files may be loaded for controlling different programs, such as audio and video players, Web browsers, etc. HID files can be transferred to the cell phone using the Bluetooth File Exchange utility in Mac OS X or the Bluetooth Devices Control Panel in Windows.
Open Programs:	Mac OS Sony Ericsson Bluetooth Remote Control Windows Sony Ericsson Bluetooth Remote Control HID Configuration Editor

Name:	CONF
File Type:	Unix Configuration File
Popularity:	3
Category:	settings
File Description:	Configuration or "config" file used on Unix and Linux based systems; stores settings for system processes and applications. Some examples of configuration files include "rc.conf" for the system startup, "syslog.conf" for system logging, "smb.conf" for the Samba server, and "apache.conf" for the Apache Web server.
Open Programs:	Linux Referenced by the Unix operating system Editable with a text editor like vi.

Name:	REG
File Type:	Registration Information File   (Most common)
Popularity:	4
Category:	settings
File Description:	Stores registration key, serial number, and other user registration information for a certain program; created when registration is completed; referenced by the program when opened to authenticate the user.
Open Programs:	Mac OS Not meant to be opened manually Windows Not meant to be opened manually