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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.
PEF at a glance
PEF
Pentax raw workflows never dominated the mass market, but their persistence in enthusiast and specialist photo libraries gives PEF ongoing practical relevance.
Format comparison
| Feature | DOCX | PEF |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2007 | 2006 |
| Inventor | Microsoft | Pentax (now Ricoh) |
| Status | active | proprietary |
| 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 PEF.
- DOCX is commonly used in document workflows.
When to use PEF
- Your target workflow expects PEF.
- Improve delivery compatibility with PEF.
- PEF is commonly used in image workflows.
FAQs
Why convert DOCX to PEF?
Convert to PEF when preserving Pentax camera originals or maintaining a Pentax-oriented raw workflow.
It is useful for archive masters and editable photographic captures.
What changes when converting DOCX to PEF?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting DOCX to PEF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.