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What is the .CMD File Extension?

.CMD File Extension Description:

Some file extensions may have more than one associated application, since all the file extensions have no central registry where one can find their real source. One example of this is the CMD file extension. So far, this file extension is associated to seven applications.

Two of the applications associated with the CMD file extension are the Microsoft Windows NT and the DOS CP/MP. These two applications have similar use of the CMD file extension; and that is to serve as their command file. The CMD file extension is the executable program of the Microsoft Windows NT and the DOS CP/MP. It is a machine language module that is always ready to be executed and loaded, whenever the software needs it.

The CMD file extension is highly important for the two applications since both of these applications operating systems. The Microsoft Windows NT is among the family of operating systems created by Microsoft Corporations. Meanwhile, the DOS (Disk Operating System) CP/M (Control Program for Microcomputers), is also an operating system purposely created for Intel processors. With the CMD file extension for both applications; their operation will become efficient and reliable.

However, the CMD file extension has a different purpose when it comes to other applications like the dBASE II and Summit Contact Manager. For the dBASE II, the CMD file extension is a program file for the application. Meaning, it contains a group of commands needed by this application to function well. On the other hand, the CMD file extension is the contact database for the Summit Contact Manager. This application has the ability to store contact information of people, automatic reminders of appointments, birthdays, and other features. The CMD file extension is needed for this application to provide the contacts database, where the user can easily scan and search for his contact in an organized manner.

Aside from the discussed applications, the CMD file extension can also be found in the application 1st Reader as its external command menu. While the CMD file extension serves as the OS/2 REXX Batch File in OS/2.

Author: Microsoft Corporation, MIE Software Pty Ltd, Asthton-Tate
Author URL:,,
Related Applications: 1st Reader, Microsoft Windows NT, dBASE II, DOS CP/M, OS/2, REXX, Summit Contact Manager
Common Path: C:/ Program Files/


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The Reason for .CMD files Errors:

.CMD files errors are possibly critical Windows errors and can be caused by a damaged registry that should be rectified at once to prevent additional damage in other applications and/or hardware. As long as the errors persist your PC stays in danger of possible blue screen errors, device failure and fatal crashes.

Symptoms of .CMD files Errors:

.CMD files error symptoms include program lock ups, shut down or start up troubles, jerky personal computer performance, laggy behaviour, screen halts, internal speaker beeps, trouble accessing program files and issues during software installation.

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What is the .CMD File Extension?    |    Scan for .CMD File Extension Errors    |    Repair .CMD File Errors