CWK file format description

Many people often share .cwk files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .cwk files. To address this issue, we have created this page to offer assistance and guidance on handling .cwk files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .cwk files.

Our aim is to simplify the process and promote seamless use of the .cwk file format.

3 filename extension(s) found in our database.

.cwk - ClarisWorks Document

The CWK document files are related to AppleWorks. The CWK file is a ClarisWorks Document. ClarisWorks is an integrated office application, which provides word processing, graphics, illustration, spreadsheet, charting/graphing, presentation and database capabilities.

Document files
- / -
ClarisWorks Document related extensions:
ClarisWorks Assistant
ClarisWorks ClarisDraw Data
ClarisWorks Font
ClarisWorks 3 Document
ClarisWorks Color Palette
ClarisWorks Database

.cwk - CattleMax Data

The CWK data files are related to CattleMax. The CWK file is a CattleMax Data. CattleMax is a cattle management software used by ranchers.

Data files
- / -
CattleMax Data related extensions:
FCEUX Color Palette Data
Google Drive Fusion Table
FeedDemon Language Data
WindLDR Binary PLC Data
MAP Service Document
XL Reporter Template

.cwk - GC-Prevue Work Data

The CWK data files are related to GC-Prevue. The CWK file is a GC-Prevue Work Data. GC-Prevue is a free Gerber viewer.

Data files
- / -
GC-Prevue Work Data related extensions:
Zemax Session Data
PhotoModeler Lite Tutorial Data
NetBeans Java GUI Designer Form
Mail.dat Container Quantity Data
AIM Module
Oracle Enterprise Manager OMS Backup Data

Naturally, other applications may also use the .cwk file extension. Even harmful programs can create .cwk files. Be especially cautious with .cwk files coming from an unknown source!

Can't open a .cwk file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .cwk file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

cak, cdk, ck, ckw, csk, cw, cwl, cwm, cwu, dwk, fwk, swk, wck, wk, xwk

Is it possible that the filename extension is misspelled?

There is a possibility that the .cwk filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .cwk:

Across crossWAN Package
CardWorks Template
ChucK Source Code
HiSilicon NNIE WK Data
DADiSP Worksheet
TeXstudio Completion Word List

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .cwk file format, then write to us! >> CWK file