CHM
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[[Microsoft Help 2]] was intended as a successor, but never saw much use. | [[Microsoft Help 2]] was intended as a successor, but never saw much use. | ||
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| + | == Identification == | ||
| + | Files start with hex {{magic|49 54 53 46 03 00 00 00}}, which the first four bytes is ASCII "ITSF", for Info-Tech Storage Format, the generic data file format by Microsoft. | ||
== Format description == | == Format description == | ||
Latest revision as of 02:50, 30 June 2024
CHM (Compiled HTML Help), AKA Microsoft Help 1, is a Microsoft format for help files. While it is proprietary, it has been reverse engineered, and many software applications can read it.
It is a compressed binary file format, including content in HTML as well as other related data.
Microsoft Help 2 was intended as a successor, but never saw much use.
Contents |
[edit] Identification
Files start with hex 49 54 53 46 03 00 00 00, which the first four bytes is ASCII "ITSF", for Info-Tech Storage Format, the generic data file format by Microsoft.
