Compiled HTML Help File
General Information
| Title | H1S File Extension |
| Extension | .h1s |
| Full Form | Compiled HTML Help File |
| File Type | Compiled Help File |
| Developer | Microsoft |
| MIME Type | application/x-oleobject |
File Function
| Primary Function | Store help documentation |
| Additional Functions | Searchable, Indexed |
| Features | Compiled, Binary format |
File Characteristics
| Quality | High readability |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | Indirectly |
Use Cases
| Software Documentation | Yes |
| Help Manuals | Yes |
| Knowledge Bases | Yes |
Security and Practices
| Security Risks | Script execution |
| Best Practices | Validate content, Update regularly |
Historical/Version Information
| Initial Release | 1997 |
| Latest Version | With Windows |
Associated Types
| Similar Extensions | .chm, .hhk, .hhp, .hhc |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Microsoft HTML Help Workshop |
Free | Windows |
 Help Explorer Viewer |
Commercial | Windows, Linux |