Format
Microsoft Compiled HTML Help
Summary
- Name
- Microsoft Compiled HTML Help
- Identifiers
-
- MIME: application/vnd.ms-htmlhelp
- PUID: fmt/634
- Format type
- Text (Structured)
- Description
- This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
- File extensions
-
chm,chw - Submitted by
- Artefactual Systems Inc / Artefactual Systems Inc
- Developed by
- Microsoft Corporation
- Supported by
- Microsoft Corporation
Internal signatures
Microsoft Compiled Help file
- Description
- BOF: ITSF (Info-Tech Storage Format)
- Provenance
- http://www.iana.org/assignments/media-types/application/vnd.ms-htmlhelp
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 0
- Byte Sequence
49545346- Endianness
- None
Changelog
-
V74
- Release date
- 31 March 2014
-
Updated
Microsoft Compiled HTML Help: Added extension of .chw
-
V73
- Release date
- 27 February 2014
-
Added format
Microsoft Compiled HTML Help: Outline Entry Added.
-
Added signature
Microsoft Compiled HTML Help: Signature developed through a request from Artefactual Systems Inc