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

Details of extension .chm

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

Below, you can find answers to the following questions:

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

Compiled HTML Help

CHM file is a Compiled HTML Help. HTML Help is the standard help system for the Windows platform. The HTML Help compiler (part of the HTML Help Workshop) makes it possible to compress HTML, graphic, and other files into a relatively small compiled help (.chm) file.
Category: Document files
Application: HTML Help Workshop
Program name: -
Mime-type: application/x-chm
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Windows Global Index File
Windows Help File
Hypertext Markup Language Document
Answer Wizard Index
HTML Help Table of Contents
Multipurpose Internet Mail Extension HTML
ColdFusion Markup Language
Windows Help Project
HTML Document with SSI
.chm
ChemDraw Chemical Structure .chm file icon

ChemDraw Chemical Structure

CHM file is a ChemDraw Chemical Structure. ChemDraw is a major molecule editor developed by the cheminformatics company CambridgeSoft. ChemDraw is part of the ChemOffice suite of programs and is available for Macintosh and Microsoft Windows.
Detailed description not available
Category: Data files
Application: ChemOffice
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
ChemDraw Stationery Document
ChemDraw Exchange Document
ChemDraw XML Document
.chm
SWAT Soil Chemical Input Data .chm file icon

SWAT Soil Chemical Input Data

CHM file is a SWAT Soil Chemical Input Data. SWAT (Soil Water Assessment Tool) is an hydrology model with the following components: Weather, surface runoff, return flow, percolation, evapotranspiration, transmission losses, pond and reservoir storage, crop growth and irrigation, groundwater flow, reach routing, nutrient and pesticide loading, water transfer.
Detailed description not available
Category: Data files
Application: SWAT
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
SWAT HRU Data
SWAT Groundwater Input Data
SWAT Reach Output Data
SWAT Weather Generator Input Data
SWAT Master Watershed Data
SWAT Watershed Water Quality Input
SWAT Stream Water Quality Input Data
SWAT Lake Water Quality Input Data
SWAT Basin Input Data
.chm
Two Worlds 2 Animation Data .chm file icon

Two Worlds 2 Animation Data

CHM file is a Two Worlds 2 Animation Data. Two Worlds 2 is an action role-playing game developed by Polish video game developer Reality Pump.
Detailed description not available
Category: Game Data files
Application: Two Worlds 2
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Two Worlds 2 Static Model
Two Worlds 2 Rigged Model Data

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Color FBM Image
Computer Graphics Metafile
Scitex Continuous Tone
Borland C++ Header
IBM SPSS Interview Cache
Epidata Defined Checks
WinFast PVR Channel List
MODTRAN CHN Output File
Cable Modem Configuration

The .chm filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cnm (1), cmh (1), chn (1), chk (1), chh (1), shm (1), cgm (1), hcm (1), dhm (1), ctm (1), cmm (1), cm (1), chl (1), chj (1), vhm (1)

Can't open a .chm file?

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

Windows can't open this file:

File: example.chm

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