

chm file, one has to "unblock" it in the file's properties ("Properties"–"General"–"Unblock").īeside the native support in Windows (since Windows 98/NT), there are also multiple Windows and non-Windows tools that can open CHM files and display, edit, or convert their contents. chm files have the "ITSF" signature in their header.ĬHM files downloaded from the Internet or supplied with third-party applications will often fail to open properly on Microsoft Windows (Vista and later), as they are blocked by the Windows security system by default. 2 How long does it take to View CHM This Viewer works fast. It will now allow you to View your CHM file. CHM files use the LZX compression algorithm. First, you need to add a file for Viewer: drag & drop your CHM file or click inside the white area for choose a file. The file contains a set of HTML pages, hierarchically interconnected with an index and cross-referencing hyperlinks. The CHM can be opened using FAR HTML like shown (see screenshot) in my answer of this SO thread to get CHM details from help ID For some more decompile info have a look at Decompile CHM too. chm file is a help or e-book file in the CHM format. The file starts with bytes 'ITSF' (in ASCII), for 'Info-Tech Storage Format' (see Microsoft's HTML Help (.chm) format documentation). CHM retains its legacy status, having given way to the newer MAML format.Ī. CHM is a Windows-specific format, developed by Microsoft and previously intended as a single standard format for Microsoft Windows help files. The fix for this is not obvious, but simple. The table of contents showed up, but the content pane was blank.

chm filename extension is associated with the Compressed, or Compiled HTML (CHM) file format and type. The help section opened up in the classic Windows Help CHM viewer. Commercial redistribution must notify users the name and link to this project before users will buy the redistributions.The.This option is not available for earlier versions of Windows before WindowsXP (SP3). Click Unblock and press OK, and try to open the chm file again, it works correctly. Redistributions must include the names of the contributors of this project. Right click the chm file, and you will get the 'yourfile.chm Properties' dialog box, at the bottom, a button called 'Unblock' appears.Redistributions must include the name and link to this project.

This project is open sourced under BSD License AND following conditions should also met before any redistribution and use in source and binary forms, with or without modification, is permitted:
