If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .charmm

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .charmm file?
  • Which program can create the .charmm file?
  • Where can you find a description of the .charmm format?
  • What can convert .charmm files to a different format?
  • Which MIME-type is associated with the .charmm extension?


CHARMM file is a CHARMM Data. CHARMM (Chemistry at HARvard Macromolecular Mechanics) is a versatile and widely used molecular simulation program with broad application to many-particle systems.
Detailed description not available
Category: Data files
Application: CHARMM
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
CHARMM Input Data

Other types of files may also use the .charmm file extension. If you have helpful information about .charmm extension, write to us!

Can't open a .charmm file?

If you want to open a .charmm file on your computer, you just need to have the appropriate program installed. If the .charmm association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.charmm

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android