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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.
CR3 at a glance
CR3
CR3 marks Canon's move into a newer raw-file generation as mirrorless and later-camera workflows evolved beyond the long CR2 era.
Format comparison
| Feature | XLSX | CR3 |
|---|---|---|
| File type | Spreadsheet | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | structured | raw |
| File size characteristics | small | large |
| Compatibility | moderate | limited |
| Editability | high | high |
| Created year | 2006 | 2018 |
| Inventor | Microsoft / Ecma TC45 lineage | Canon |
| Status | active | proprietary |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | strong |
| Metadata handling | rich | rich |
| Delivery profile | moderate | limited |
| Workflow fit | analysis | source |
| Vector scaling | Not supported | Not supported |
When to use each format
When to use XLSX
- analysis
- reporting
- business-data exchange
- Broad support across spreadsheet ecosystems.
When to use CR3
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
FAQs
Why convert XLSX to CR3?
Choose CR3 as target when preserving current Canon camera originals or exchanging material with workflows built around Canon's recent raw ecosystem.
What changes when converting XLSX to CR3?
Convert to CR3 when preserving current Canon camera originals or exchanging material with workflows built around Canon's recent raw ecosystem. It is appropriate for archive masters and non-destructive photographic editing.
What should I review after converting XLSX to CR3?
After conversion, review these destination checks: Open converted output in vendor photo software and verify behavior on real samples; Compare output against the expected raw quality profile; Compatibility often depends on vendor or decoder support.
How can I keep quality stable in XLSX to CR3 conversion?
Run representative samples, keep settings deterministic, and monitor these risks: They are source formats, not publication-ready outputs; Compatibility often depends on vendor or decoder support; Validate destination compatibility before large-batch conversion.