Image
What is a .cwk file?
A .cwk file is a ClarisWorks (version 1 (generic)). 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.
- ClarisWorksVersion 1 (generic) · fmt/736
- ClarisWorksVersion 2-3 (generic) · fmt/737
- ClarisWorks DrawingVersion 4 · fmt/738
- ClarisWorks Word ProcessorVersion 4 · fmt/739
- ClarisWorks SpreadsheetVersion 4 · fmt/740
- ClarisWorks DatabaseVersion 4 · fmt/741
- ClarisWorks PaintingVersion 4 · fmt/742
- ClarisWorks/AppleWorks DrawingVersion 5 · fmt/743
- ClarisWorks/AppleWorks Word ProcessorVersion 5 · fmt/744
- ClarisWorks/AppleWorks SpreadsheetVersion 5 · fmt/745
- ClarisWorks/AppleWorks DatabaseVersion 5 · fmt/746
- ClarisWorks/AppleWorks PaintingVersion 5 · fmt/747
- AppleWorks DrawingVersion 6 · fmt/748
- AppleWorks Word ProcessorVersion 6 · fmt/749
- AppleWorks SpreadsheetVersion 6 · fmt/750
- AppleWorks DatabaseVersion 6 · fmt/751
- AppleWorks PaintingVersion 6 · fmt/752
- AppleWorks PresentationVersion 6 · fmt/753
- ClarisWorks DrawingVersion 2-3 · fmt/845
- ClarisWorks Word ProcessorVersion 2-3 · fmt/846
- ClarisWorks SpreadsheetVersion 2-3 · fmt/847
- ClarisWorks DatabaseVersion 2-3 · fmt/848
- ClarisWorks PaintingVersion 2-3 · fmt/849
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, ClarisWorks, ClarisWorks Drawing 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 | 1 (generic) | — | fmt/736 |
| ClarisWorks | 2-3 (generic) | — | fmt/737 |
| ClarisWorks Drawing | 4 | — | fmt/738 |
| ClarisWorks Word Processor | 4 | — | fmt/739 |
| ClarisWorks Spreadsheet | 4 | — | fmt/740 |
| ClarisWorks Database | 4 | — | fmt/741 |
| ClarisWorks Painting | 4 | — | fmt/742 |
| ClarisWorks/AppleWorks Drawing | 5 | — | fmt/743 |
| ClarisWorks/AppleWorks Word Processor | 5 | — | fmt/744 |
| ClarisWorks/AppleWorks Spreadsheet | 5 | — | fmt/745 |
| ClarisWorks/AppleWorks Database | 5 | — | fmt/746 |
| ClarisWorks/AppleWorks Painting | 5 | — | fmt/747 |
| AppleWorks Drawing | 6 | — | fmt/748 |
| AppleWorks Word Processor | 6 | — | fmt/749 |
| AppleWorks Spreadsheet | 6 | — | fmt/750 |
| AppleWorks Database | 6 | — | fmt/751 |
| AppleWorks Painting | 6 | — | fmt/752 |
| AppleWorks Presentation | 6 | — | fmt/753 |
| ClarisWorks Drawing | 2-3 | — | fmt/845 |
| ClarisWorks Word Processor | 2-3 | — | fmt/846 |
| ClarisWorks Spreadsheet | 2-3 | — | fmt/847 |
| ClarisWorks Database | 2-3 | — | fmt/848 |
| ClarisWorks Painting | 2-3 | — | fmt/849 |