Image
What is a .cwk file?
A .cwk file is a ClarisWorks Painting (version 4). This is an image format — a picture, drawing or graphic. Confusingly, this extension has been used by 23 different formats over the years — they're all listed below.
This extension has been used by more than one format
23 different formats have claimed .cwk over the years, so two files with the same extension aren't necessarily the same kind of thing.
- ClarisWorks PaintingVersion 4 · fmt/742
- ClarisWorks DatabaseVersion 4 · fmt/741
- ClarisWorks/AppleWorks PaintingVersion 5 · fmt/747
- ClarisWorks DrawingVersion 4 · fmt/738
- ClarisWorksVersion 2-3 (generic) · fmt/737
- ClarisWorksVersion 1 (generic) · fmt/736
- AppleWorks PresentationVersion 6 · fmt/753
- ClarisWorks/AppleWorks DatabaseVersion 5 · fmt/746
- AppleWorks SpreadsheetVersion 6 · fmt/750
- ClarisWorks/AppleWorks SpreadsheetVersion 5 · fmt/745
- ClarisWorks DatabaseVersion 2-3 · fmt/848
- ClarisWorks Word ProcessorVersion 4 · fmt/739
- ClarisWorks DrawingVersion 2-3 · fmt/845
- ClarisWorks/AppleWorks DrawingVersion 5 · fmt/743
- AppleWorks PaintingVersion 6 · fmt/752
- AppleWorks DrawingVersion 6 · fmt/748
- ClarisWorks Word ProcessorVersion 2-3 · fmt/846
- ClarisWorks/AppleWorks Word ProcessorVersion 5 · fmt/744
- ClarisWorks SpreadsheetVersion 4 · fmt/740
- AppleWorks DatabaseVersion 6 · fmt/751
- ClarisWorks SpreadsheetVersion 2-3 · fmt/847
- ClarisWorks PaintingVersion 2-3 · fmt/849
- AppleWorks Word ProcessorVersion 6 · fmt/749
How to open a .cwk file
- GIMP (free) and IrfanView open a very wide range of image formats, including obsolete ones.
- XnView MP is the best bet for unusual or legacy image types.
- Your operating system's built-in viewer may work for mainstream formats.
The registry records this extension against ClarisWorks Painting, ClarisWorks Database, ClarisWorks/AppleWorks Painting and others, so software from that family is the most likely match.
How to convert a .cwk file
- Open it in GIMP or XnView and export as .png (lossless) or .jpg (smaller).
The technical record
For archivists, developers and the merely curious: these are the PRONOM registry entries for .cwk.
| Format name | Version | MIME type | PUID |
|---|---|---|---|
| ClarisWorks Painting | 4 | — | fmt/742 |
| ClarisWorks Database | 4 | — | fmt/741 |
| ClarisWorks/AppleWorks Painting | 5 | — | fmt/747 |
| ClarisWorks Drawing | 4 | — | fmt/738 |
| ClarisWorks | 2-3 (generic) | — | fmt/737 |
| ClarisWorks | 1 (generic) | — | fmt/736 |
| AppleWorks Presentation | 6 | — | fmt/753 |
| ClarisWorks/AppleWorks Database | 5 | — | fmt/746 |
| AppleWorks Spreadsheet | 6 | — | fmt/750 |
| ClarisWorks/AppleWorks Spreadsheet | 5 | — | fmt/745 |
| ClarisWorks Database | 2-3 | — | fmt/848 |
| ClarisWorks Word Processor | 4 | — | fmt/739 |
| ClarisWorks Drawing | 2-3 | — | fmt/845 |
| ClarisWorks/AppleWorks Drawing | 5 | — | fmt/743 |
| AppleWorks Painting | 6 | — | fmt/752 |
| AppleWorks Drawing | 6 | — | fmt/748 |
| ClarisWorks Word Processor | 2-3 | — | fmt/846 |
| ClarisWorks/AppleWorks Word Processor | 5 | — | fmt/744 |
| ClarisWorks Spreadsheet | 4 | — | fmt/740 |
| AppleWorks Database | 6 | — | fmt/751 |
| ClarisWorks Spreadsheet | 2-3 | — | fmt/847 |
| ClarisWorks Painting | 2-3 | — | fmt/849 |
| AppleWorks Word Processor | 6 | — | fmt/749 |