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VC-1 at a glance
VC-1
Microsoft submitted WMV9 to SMPTE for standardization in 2003, and the resulting VC-1 standard was approved in 2006. It was adopted alongside H.264 and MPEG-2 as a mandatory Blu-ray Disc video codec.
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.
Format comparison
| Feature | VC-1 | WMF |
|---|---|---|
| File type | Video | Vector |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 1990 |
| Inventor | Microsoft | Microsoft Corporation |
| Status | active | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
When to use each format
When to use VC-1
- Your source file is already in VC-1.
- Preserve source expectations before exporting to WMF.
- VC-1 is commonly used in video workflows.
When to use WMF
- Your target workflow expects WMF.
- Improve delivery compatibility with WMF.
- WMF is commonly used in vector workflows.
FAQs
Why convert VC-1 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 VC-1 to WMF?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting VC-1 to WMF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.