A, CHM is what format file?
A CHM is a shorthand for English "Compiled help Manual", which is "compiled assistance files." CHM is Microsoft's new generation of Help file format, using HTML as source text, Help content in the form of a similar database compiled storage.
The CHM file format is an HTML file-based Help file system introduced by Microsoft in 1998 to replace the earlier WinHelp Help system, which in Windows 98 referred to CHM type files as "compiled HTML Help files." JavaScript, VBScript, ActiveX, Java applets, Flash, common graphics files (GIF, JPEG, PNG), audio and video files (MID, WAV, AVI), etc. that are supported by IE browsers, are also supported by the CHM. And can be linked to the Internet through a URL.
Second, CHM format file how to open?
CHM files are also used as e-book formats because of their ease of use. So we just need to convert the format to HTML format. The method is as follows:
Use the Windows system with the hh.exe program for file conversion, if you do not have the computer, you can search the Internet to download.