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DOC at a glance
DOC
DOC belongs to the older binary Office family that Microsoft later documented through its Open Specifications work, reflecting its long period of real-world dominance before DOCX.
CRW at a glance
CRW
Early Canon digital-camera workflows used raw formats like CRW before the later EOS raw families stabilized around CR2 and then CR3.
Format comparison
| Feature | DOC | CRW |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1987 | 2000 |
| Inventor | Microsoft | Canon |
| Status | active | proprietary |
| Primary use cases |
|
|
| Vector scaling | Not supported | Not supported |
When to use each format
When to use DOC
- Your source file is already in DOC.
- Preserve source expectations before exporting to CRW.
- DOC is commonly used in document workflows.
When to use CRW
- Your target workflow expects CRW.
- Improve delivery compatibility with CRW.
- CRW is commonly used in image workflows.
FAQs
Why convert DOC to CRW?
Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.
In most current workflows it is a source to preserve or migrate, not a preferred new output format.
What changes when converting DOC to CRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting DOC to CRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.