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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.
EXR at a glance
EXR
OpenEXR came from film-production needs at ILM and then evolved into an open industry format that spread across rendering, compositing, and broader high-end image pipelines.
Format comparison
| Feature | DOC | EXR |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1987 | 2003 |
| Inventor | Microsoft | Industrial Light & Magic |
| Status | active | active |
| 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 EXR.
- DOC is commonly used in document workflows.
When to use EXR
- Your target workflow expects EXR.
- Improve delivery compatibility with EXR.
- EXR is commonly used in image workflows.
FAQs
Why convert DOC to EXR?
Convert to EXR when the image needs high dynamic range, floating-point precision, render passes, or linear-light compositing.
It is ideal for CGI, VFX, and advanced HDR production pipelines.
What changes when converting DOC to EXR?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting DOC to EXR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.