File Extension Library

.CHM File Extension

  • Developer by: Microsoft
  • Category: Web Files
  • Format: Binary

What are .CHM files and how to open them?

Can't open .CHM file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .CHM file.

What is a .CHM file extension?

.CHM file extension is created by Microsoft. .CHM has been classified as Web Files. The format of .CHM file is Binary.

.CHM is Compiled HTML Help File

Help documentation compiled and saved in a compressed HTML format; may include text, images, and hyperlinks; viewable in a Web browser; used by Windows and other programs as an online help solution.

NOTE: Some CHM files may be opened using a Web browser, while others can only be opened with a CHM editor or CHM viewing program.

List of all softwares that can open the Compiled HTML Help File
File Viewer Plus
GridinSoft CHM Decoder
GridinSoft CHM Editor
Softany WinCHM
Dawningsoft PowerCHM
Guohua ChmDecompiler
Help Explorer Viewer
Mozilla Firefox
Enolsoft CHM View
Apple Safari
Mozilla Firefox
Mozilla Firefox

How to fix problems with .CHM files

  1. You need to update the application that you normally use to open .CHM files. Only the latest version of the software supports the current .CHM file format
  2. You need to check the .CHM file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)