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WMF at a glance
WMF
The original WMF specification was published in the Windows 3.1 SDK documentation in 1992. Aldus Corporation independently added a 'placeable' header for device independence, which Microsoft later incorporated in Windows 2000. The format specification was republished in 2006 under the Microsoft Open Specification Promise.
PSB at a glance
PSB
Photoshop's native format became one of the de facto interchange anchors of raster design and retouching, even outside Adobe-only teams, because so many creative pipelines converged around its feature set.
Format comparison
| Feature | WMF | PSB |
|---|---|---|
| File type | Not available | Not available |
| Extensions |
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| MIME type |
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| Compression / quality | Not available | Not available |
| File size characteristics | Not available | Not available |
| Compatibility | Not available | Not available |
| Editability | Not available | Not available |
| Created year | Not available | Not available |
| Inventor | Not available | Not available |
| Status | Not available | Not available |
| Transparency | Not available | Not available |
| Animation | Not available | Not available |
| Primary use cases |
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| Common software |
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| Archival suitability | Not available | Not available |
| Metadata handling | Not available | Not available |
| Delivery profile | Not available | Not available |
| Workflow fit | Not available | Not available |
| Layer support | Not available | Not available |
| Vector scaling | Not available | Not available |
When to use each format
When to use WMF
- illustration
- diagramming
- brand asset delivery
- Universal recognition in Windows applications.
When to use PSB
- capture ingest
- editing
- web or print delivery
- Preserves rich editable raster-document state.
FAQs
Why convert WMF to PSB?
Choose PSB as target when the image must remain editable in Photoshop at very large dimensions or layer counts.
What changes when converting WMF to PSB?
Convert to PSB when the image must remain editable in Photoshop at very large dimensions or layer counts. It is useful for oversized composites, print backdrops, and complex production artwork.
What should I review after converting WMF to PSB?
After conversion, review these destination checks: Open converted output in Adobe Photoshop and verify behavior on real samples; Compare output against the expected depends quality profile; Layer-heavy documents are not efficient consumer delivery formats.
How can I keep quality stable in WMF to PSB conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Feature fidelity still depends on what the receiving editor actually implements; Layer-heavy documents are not efficient consumer delivery formats; Validate destination compatibility before large-batch conversion.