File Extension CAS

.CAS File

File extension: CAS
File type: Cassette Image File


Notes about the CAS file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The CAS file type is primarily associated with 'Atari' by Atari. CAS-Cassette image format invented by Ernest R. Schreurs, for his Digital Cassette Image system (includes CAS2SIO, WAV2CAS, and CAS2WAV MS-DOS utilities.

Detailed information for file extension CAS:


Primary association: Atari
Company: Atari
Related links: Atari Disk Image FAQ, Emulation Newbies Start Here!, Emulator Zone

Other applications associated with file type CAS:

  • Cascade DTP (Ver. 3 Layout File) by Price MediaDesktop publishing for browsers using CSS technology.
  • Casio (Calculator Program) by Casio Computer Co., Ltd.
  • Comma-delimited ASCII File
  • FLUENT (Case) by Fluent IncorporatedFLUENT is CFD code for a spectrum of flow modeling applications and industries. The identifying characters used for this association are - Hex: 28 , ASCII: (
  • i2's Case Notebook Timeline Analysis
  • Quest (Compiled Adventure Game) by Axe SoftwareQuest allows you to make text adventure games, also known as interactive fiction without needing to learn any programming. Create your own interactive world or interactive story. Edit the game with the included editor, QDK. This association is classified as Game.
  • Videoton TVC Computer (Tape File)[Hungarian link] This is file is usable in TVC emulators, and/or transferable back to tape. The identifying characters used for this association are - Hex [position 53]: 00
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

To view technical data on file-extension CAS click this link to expand/hide the additional area.

System Info for File Extension .CAS

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: CAS.Document
EXEFile: %ProgramFiles%\TTOD\CAJViewer 5.5\CAJViewer.EXE %1

ProgramID: CAS.Document
EXEFile: C:\XPB-Book\TTOD\CAJViewer 5.0\CAJViewer.EXE %1

ProgramID: VCdCase.Document
EXEFile: %ProgramFiles%\VCD129\VCdCase.exe


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