.CHM File Description

The .CHM file extension belongs to a format created by Microsoft for the development of online help files. HTML Help Files are normally created with a help authoring tool, such as Microsoft's free "HTML Help Workshop".

Other Information For .CHM File Extension

• Company:

  Microsoft Corporation.

• File Type:

  Microsoft Compiled HTML Help File

• Identifying Characters (Hex):

  49 54 53 46 03 00 00 00

• Identifying Characters (ASCII):

  ITSF