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CUR at a glance
CUR
These formats reflect how desktop operating systems built their own graphics-resource conventions for cursors, icons, and device-independent drawing.
MOS at a glance
MOS
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | CUR | MOS |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1990 | 2003 |
| Inventor | Microsoft / Windows ecosystem | Leaf (now Phase One) |
| Status | legacy | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use CUR
- Your source file is already in CUR.
- Preserve source expectations before exporting to MOS.
- CUR is commonly used in image workflows.
When to use MOS
- Your target workflow expects MOS.
- Improve delivery compatibility with MOS.
- MOS is commonly used in image workflows.
FAQs
Why convert CUR to MOS?
Convert to MOS when maintaining compatibility with Leaf-originated capture files or preserving source material from medium-format studio workflows.
It is primarily an archival and editing format.
What changes when converting CUR to MOS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to MOS adds camera raw data.
What should I review after converting CUR to MOS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.