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Microsoft Compiled HTML Help

Microsoft Compiled HTML Help (CHM) is a Microsoft proprietary online help format, consisting of a collection of HTML pages, an index and other navigation tools. The files are compressed and deployed in a binary format with the extension .CHM. The format was intended to succeed Microsoft WinHelp.

History, Creators & File format

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Research this topic

Explore the main themes, entities and connections around Microsoft Compiled HTML Help. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developed by
Microsoft
Extended to
.lit
Initial release
1997
Internet media type
application/vnd.ms-htmlhelp
Latest release
1.4

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

File format

Creators

Other utilities

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Microsoft Compiled HTML Help

Nodes28
Edges27
Triples6
Avg. degree1.93
Density0.071429
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Microsoft Compiled HTML Help

Top relations

Developed by · 1
Microsoft Compiled HTML Help → Microsoft
Extended to · 1
Microsoft Compiled HTML Help → .lit
Filename extension · 1
Microsoft Compiled HTML Help → .mw-parser-output .monospaced{font-family:monospace,monospace} .chm
Initial release · 1
Microsoft Compiled HTML Help → 1997
Internet media type · 1
Microsoft Compiled HTML Help → application/vnd.ms-htmlhelp
Latest release · 1
Microsoft Compiled HTML Help → 1.4

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

microsoft chm format file help html files winhelp extension windows viewers reverse-engineered support index binary although supported history release extended

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Microsoft Compiled HTML HelpDeveloped byMicrosoft1.00infobox
Microsoft Compiled HTML HelpExtended to.lit1.00infobox
Microsoft Compiled HTML HelpFilename extension.mw-parser-output .monospaced{font-family:monospace,monospace} .chm1.00infobox
Microsoft Compiled HTML HelpInitial release19971.00infobox
Microsoft Compiled HTML HelpInternet media typeapplication/vnd.ms-htmlhelp1.00infobox
Microsoft Compiled HTML HelpLatest release1.41.00infobox

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.