Files with cwk file extension may be found as old documents made using now discontinued program for Mac called ClarisWorks.

There are 2 other file types using
the CWK file extension!

empty icon.cwk - CattleMax data file

empty icon.cwk - GCPrevue work file

Detailed description

Software that open cwk file

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CWK file extension - ClarisWorks document

What is cwk file? How to open cwk files?

File type specification:

Document file type icon Document file type

Spreadsheet and workbook file type icon Spreadsheet and workbook file type

cwk file icon: cwk filetype icon

The cwk file extension is associated with Apple ClarisWorks, a now discontinued office suite, formerly developed by Apple.

The cwk file may contain word processing document, spreadsheet, presentation or even drawing.

If you own old ClarisWorks files, but not ClarisWorks, your best bet is to open the documents in a text editor and copy past your texts out to another word processor. It is because no current word processors support this file format.

Updated: March 14, 2018

The default software associated to open cwk file:

ClarisWorks icon

Apple, Inc. logoClarisWorks  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

ClarisWorks (also AppleWorks) was office suite for Apple Mac OS, Mac OS X and later for Windows. ClarisWorks contains word processor, drawing program, painting program, spreadsheet, database program, and a terminal program for communications.

Help how to open:

Apple ClarisWorks or FileMaker can open *.cwk documents. Some versions of these files can also be opened in iWorks.

How to convert:

Some programs still supports the formats from ClarisWorks and can export it to something more ommon like DOC.

Find conversions from cwk file:

cwk to csv

cwk to doc

cwk to pdf

cwk to xls

cwk to xlsx

Find converter to cwk file type:

cws to cwk

File identification strings:

HEX code: 00 42 4F 42 4F
ASCII code: BOBO

Related links:

Additional informations about converting this file type

List of software applications associated to the .cwk file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cwk file, edit cwk file, convert cwk file, view cwk file, play cwk file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting cwk files.

Software that open cwk file - ClarisWorks document

Programs supporting the exension cwk on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open cwk file action.

Apple macOS / Mac OS X:

Main software associated with cwk file by default:
ClarisWorks small icon ClarisWorks
Other suggested software:
FileMaker Pro for Mac small icon FileMaker Pro for Mac

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