CWK (file format)
Extension: CWK
Program and/or Extension Function: ClarisWorks Data File
Company: FileMaker, Inc.
Specific Notes: ClarisWorks has been taken over by FileMaker, Inc. The FileMaker Pro program version 7 or lower might be able to open these files. If you can find an old copy of AppleWorks it also should be able to open them.
Associated Links: Also see AppleWorks, Converting ClarisWorks Files across Platforms
Identifying Characters: Hex: 00 42 4F 42 4F, ASCII: .BOBO
Program ID: (None or Unknown)
General Notes: (None)
Extension: CWK
Program and/or Extension Function: CattleMax Data File
Company: Cattlesoft, Inc.
Specific Notes: CattleMax is a complete record keeping and management system for both registered and commercial cow-calf operations that individually identify their cattle. This is a specialized file format unlikely to be found in general use. [Links removed by request.]
File Classification: Database
Identifying Characters: (None or Unknown)
Program ID: (None or Unknown)
General Notes: (None)
Extension: CWK
Program and/or Extension Function: GCPrevue Work File
Company: Graphicode
Specific Notes: Gerber Format (also known as RS-274) is the industry standard format for describing PCBs (Printed Circuit Boards). It's a plotter language originally designed to drive aperture based vector photo plotters.
Identifying Characters: (None or Unknown)
Program ID: (None or Unknown)
General Notes: (None)