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DOCX at a glance
DOCX
DOCX arrived with the Office Open XML transition away from older binary Office files, and the format was standardized through ECMA and ISO/IEC after Microsoft's initial push.
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 | DOCX | EXR |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2007 | 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 DOCX
- Your source file is already in DOCX.
- Preserve source expectations before exporting to EXR.
- DOCX 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 DOCX 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 DOCX to EXR?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting DOCX to EXR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.