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RST at a glance
RST
Convert to RST when the content is headed into Sphinx or another documentation system that benefits from directive-rich plain text.
It is well suited to API docs, developer manuals, internal technical references, and documentation that needs cross-references, notes, code blocks, and publish-time transformations.
Use it when documentation semantics are more important than office-style page layout.
WMF at a glance
WMF
Convert to WMF when preserving compatibility with older Windows document workflows, embedded legacy graphics, or archive recovery tasks where that classic metafile format is still expected.
It is useful as a bridge for historical Office-era vector assets.
For contemporary vector exchange, EMF, SVG, or PDF are usually more practical.
Format comparison
| Feature | RST | WMF |
|---|---|---|
| File type | Document | Vector |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | scalable |
| File size characteristics | medium | small |
| Compatibility | broad | moderate |
| Editability | moderate | high |
| Created year | 2001 | 1990 |
| Inventor | Docutils project / David Goodger lineage | Microsoft Corporation |
| Status | active | legacy |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | good |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | exchange | design |
| Vector scaling | Not supported | Supported |
| Structured data | Supported | Not supported |
When to use each format
When to use RST
- authoring
- review and collaboration
- distribution
- Strong structural semantics for documentation.
When to use WMF
- illustration
- diagramming
- brand asset delivery
- Universal recognition in Windows applications.
FAQs
Why convert RST to WMF?
Convert to WMF when preserving compatibility with older Windows document workflows, embedded legacy graphics, or archive recovery tasks where that classic metafile format is still expected.
It is useful as a bridge for historical Office-era vector assets.
For contemporary vector exchange, EMF, SVG, or PDF are usually more practical.
What changes when converting RST to WMF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Size profile changes from medium in RST to small in WMF. Quality profile changes from depends in RST to scalable in WMF. Editability profile changes from moderate in RST to high in WMF. Compatibility profile changes from broad in RST to moderate in WMF. Archival profile changes from strong in RST to good in WMF. Workflow profile changes from exchange in RST to design in WMF.
Moving to WMF adds vector scaling. Moving to WMF removes structured data.
What should I review after converting RST to WMF?
Check the exported file for 16-bit format with limited precision.; Not truly device-independent without placeable header.; Security vulnerabilities have been discovered historically..