What is CWS? What Opens a CWS? File Format List from WhatIs.com

File Extension

CWS File Format

Claris Works template

CWS is a file extension for a template file format used by ClarisWorks for one of its office productivity applications such as its word processor, spreadsheet or presentation software.

ClarisWorks became AppleWorks when Apple acquired Claris in 1998. CWS files are used under both names and as well the Windows versions that existed of both, however AppleWorks is discontinued and has not been updated since 2004


Learn more about CWS files:

Ask an IT peer about CWS files at IT Knowledge Exchange.

Visit the about AppleWorks support webpage.

This was last updated in September 2010
Editorial Director Margaret Rouse

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