These are binary files, so they do not contain words or text.

97% of all CHM files are associated with Windows HELP File.

The two most common formats are as follows: The file type is mainly used by one program with a specific format. In the following you will find our evaluation of the CHM files:ĬHM is a very widely used file extension. When there is a problem with a file, the first step to solving it is to determine the file format.

However, different programs can use the same file extension, and file extensions can be assigned incorrectly. The signature can be used to infer the file format. The initial characters of a file are called signature, sometimes also 'magic bytes'. This file format is classified as Font.Ī file format defines how the data in the file is structured. It uses a CHM file to save font outline data. Online CHM File Viewerįont Chameleon is a discontinued font editing software for personal computers.

Just drag the file onto this browser window and drop it. You can also display a CHM file directly in the browser. Then click 'Open with' and choose an application. If you cannot open your CHM file correctly, try to right-click or long-press the file.

Without proper software you will receive a Windows message ' How do you want to open this file?' or ' Windows cannot open this file' or a similar Mac/iPhone/Android alert. You need a suitable software like HTML Help to open a CHM file. Another type of CHM file contains chemical structures saved by some versions of ChemDraw chemical structure analysis software. Calibre e-book reader also supports CHM format. HTML Help is the primary program for creating and viewing CHM files on Windows. CHM format is mainly used to distribute documentation and help topics on Windows operating system. It contains one or more inter-connected HTML documents compiled into a single binary package compressed using LZX. A CHM file is a document saved in the Compiled HTML Help format developed by Microsoft. CHM files mostly belong to HTML Help by Microsoft.

Chm file