CHM file extension

The table below provides useful information about the .chm file extension. It answers questions such as:

• What is the .chm file?
• What program do I need to open a .chm file?
• How can the .chm file be opened, edited or printed?
• How can I convert .chm files to another format?

We hope you find this page helpful and a valuable resource!

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

✅ Compiled HTML Help

.chm

Description:
The 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.

CHM format description

Category: Document files

Application: HTML Help Workshop

Mime-type: application/x-chm

Magic number: -

Magic string: -

Sample: -

CHM aliases:

-

CHM related links:

-

CHM related extensions:

.gid

Windows Global Index File

.hlp

Windows Help File

.htm

Hypertext Markup Language Document

.aw

Answer Wizard Index

.hhc

HTML Help Table of Contents

.mht

Multipurpose Internet Mail Extension HTML

.cfm

ColdFusion Markup Language

.hlj

Windows Help Project

.shtm

HTML Document with SSI

.hxa

MS Help 2 Project Attribute Definition

✅ ChemDraw Chemical Structure

.chm

Description:
The 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.

CHM format description not yet available

Category: Data files

Application: ChemOffice

Mime-type: application/octet-stream

Magic number: -

Magic string: -

Sample: -

CHM aliases:

-

CHM related links:

-

CHM related extensions:

.cds

ChemDraw Stationery Document

.cdx

ChemDraw Exchange Document

.cdxml

ChemDraw XML Document

.d

ChemDraw Chemical Modeller Output

✅ SWAT Soil Chemical Input Data

.chm

Description:
The 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.

CHM format description not yet available

Category: Data files

Application: SWAT

Mime-type: application/octet-stream

Magic number: -

Magic string: -

Sample: -

CHM aliases:

-

CHM related links:

-

CHM related extensions:

.hru

SWAT HRU Data

.gw

SWAT Groundwater Input Data

.rch

SWAT Reach Output Data

.wgn

SWAT Weather Generator Input Data

.cio

SWAT Master Watershed Data

.wwq

SWAT Watershed Water Quality Input

.swq

SWAT Stream Water Quality Input Data

.lwq

SWAT Lake Water Quality Input Data

.bsn

SWAT Basin Input Data

.fig

SWAT Watershed Configuration Data

✅ Two Worlds 2 Animation Data

.chm

Description:
The 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.

CHM format description not yet available

Category: Game Data files

Application: Two Worlds 2

Mime-type: application/octet-stream

Magic number: -

Magic string: -

Sample: -

CHM aliases:

-

CHM related links:

-

CHM related extensions:

.vdf

Two Worlds 2 Static Model

.chv

Two Worlds 2 Rigged Model Data

Other types of files may also use the .chm file extension.

🔄 .chm converters

The following softwares are capable of converting .chm files to other formats:

For example, using the softwares above, a .chm file can be converted into one of the following formats:

🚫 The .chm file extension is often given incorrectly!

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

🔴 Can't open a .chm 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 cannot open this file:

example.chm

To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .chm file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .chm file extension, write to us!