A chm file extension is related to the Chameleon, a font technology developed by Ares software.

There are 4 other file types using
the CHM file extension!

chm icon.chm - Microsoft compiled HTML help module [common]

empty icon.chm - ChemDraw chemical structure file

empty icon.chm - Two Worlds 2 animation file

empty icon.chm - SWAT soil chemical input file

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CHM file extension - Chameleon source font

What is chm file? How to open chm files?

File type specification:

Font and typeface file type icon Font and typeface file type

The chm file extension is associated with the Chameleon, a technology developed by Ares Software for font management.

Apple's operating system and printers will include Ares Software's Chameleon technology.

Used in Ares's FontChameleon program, Chameleon automatically generates TrueType and PostScript Type 1 fonts.

Updated: August 21, 2018

The default software associated to open chm file:

macOS icon

Apple, Inc. logomacOS  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

macOS is Unix-based desktop operating system, a successor of Mac OS X system for MacBook-family, iMac, Mac Mini and Mac Pro computers, developed and sold by Apple, Inc.

macOS High Sierra (10.13) is including various new features, like digital personal assistant called Siri, new Apple Pay service, iCloud drive, new Messages app, Apple File System a successor of HFS+ and many more.

Mac OS X icon

Apple, Inc. logoMac OS X  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.

The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.

OS X operating system was replaced by new macOS in 2016!

Help how to open:

Use compatible tools to work with *.chm files.

How to convert:

Probably can be exported to other formats.

List of recommended software applications associated to the .chm file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open chm file, edit chm file, convert chm file, view chm file, play chm file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with chm file - Chameleon source font

Click on the software link for more information about macOS. macOS uses chm file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Apple macOS / Mac OS X:

Main software associated with chm file by default:
macOS small icon macOS
Mac OS X small icon Mac OS X

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