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XLSX at a glance
XLSX
XLSX emerged with the Office Open XML shift away from older binary spreadsheet files and became a common denominator for modern spreadsheet interchange.
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 | XLSX | CRW |
|---|---|---|
| File type | Spreadsheet | Image |
| Extensions |
|
|
| MIME type |
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| Created year | 2006 | 2000 |
| Inventor | Microsoft / Ecma TC45 lineage | Canon |
| Status | active | proprietary |
| Primary use cases |
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| Vector scaling | Not supported | Not supported |
When to use each format
When to use XLSX
- Your source file is already in XLSX.
- Preserve source expectations before exporting to CRW.
- XLSX is commonly used in spreadsheet 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 XLSX 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 XLSX to CRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting XLSX to CRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.