Autodesk AutoCAD license
File type: Various data file
Files with cas file extension are some sort of license files for AutoCAD and Revit Architecture programs.
Found 14 different file type records with the same cas filename suffix.
File type category:
Various data file
Date updated: September 25, 2019
The cas file extension is associated with the AutoCAD and Revit Architecture CAD modeling applications developed by Autodesk.
A .cas file contains cascade license validation data for used for network installation of AutoCAD, or Revit applications.
It is unlikely that this file type is mean to be opened directly by the user.
Various license files are not meant to be converted to anything else. However, a lot of programs can actually print the license from the "About" menu.
Software applications that handle other tasks involving cas files:
Apple macOS / Mac OS X
File type category:
Backup file
Emulator file
Date updated: October 17, 2017
The cas file extension is associated with emulators of Atari computers that use audio cassettes as data storage (8-bit Atari 400/800, Atari 800/65 XE, Atari 130 XE etc.).
The cas file contains disk image, which stored data recorded from cassette.
Use compatible tools to work with *.cas files.
Use WAV2CAS and CAS2WAV to convert CAS to WAV audio format.
Software apps that convert cas files:
Microsoft Windows
Software apps that backup cas files:
Microsoft MS-DOS
File type category:
Game file
Date updated: March 5, 2019
The cas file extension is also used for one of the data files in Battlefield 3 and Battlefield 4, a first-person shooter video games that are based on the Frostbite engine and have been developed by EA Digital Illusions CE.
The .cas file contains game resource used in the game, such as graphics, sounds, texts, maps etc.
The default range of *.cas files is: cas_01.cas, cas_02.cas, cas_03.cas, etc. and every file is about 1GB sized.
Use Frankelstner script to extract data from *.cas files.
It is likely that some modding tools can be used to extract the content of .cas archives, however conversion is unlikely.
Software apps that extract cas files:
Multiplatform
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Various data file
Date updated: February 22, 2019
The cas file extension is associated with the BitDefender, a security software for Windows used to protect computer against viruses, Trojan horses and other malware applications.
The cas file contains various data used for internal purposes of the BitDefender.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Source code and script file
Date updated: October 24, 2017
The cas file extension is associated with the Borland integrated development environments used to create applications in C programming language. The .cas file contains source code written in combination of C and Assembly programming languages.
Use Borland IDEs to open .cas source code files.
Software applications that can open cas files:
Microsoft Windows
Software applications that can edit cas files:
Microsoft Windows
Software capable of saving cas files:
Microsoft Windows
Software apps that create cas files:
Microsoft Windows
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Various data file
Date updated: April 29, 2019
Record marked as obsolete and not updated for a long time.
The cas file extension is associated with the Cascade DTP web composing tool. The .cas file contains layout data used by Cascade DTP version 3.
Probably not supported application, Web pages not work/contain information about Cascade.
Use Cascade DTP to open *.cas layout files.
Software applications that can open cas files:
Microsoft Windows
Software apps that create cas files:
Microsoft Windows
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Program executable file
Date updated: October 9, 2018
Record marked as obsolete and not updated for a long time.
The cas file extension is associated with programmable calculators developed by Japanese company called Casio.
The cas file contains program written for these calculators. CAS is the shortcut for Computer Algebra System used to programming Casio calculators.
File type category:
Text file
Date updated: December 31, 2024
The cas file extension is associated with the Comma-delimited ASCII file format. It is simple text file format used to exchange various data from one application to another.
It is may be obsolete and not used in today applications. It is viewable in the text editor.
Use any text editor (Notepad, Notepad++).
Probably can be exported to other formats.
Software applications that can open cas files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software applications that can edit cas files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software capable of saving cas files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
File type category:
Various data file
Date updated: October 30, 2026
ANSYS Fluent, developed by ANSYS, uses .cas files to store simulation case data. Fluent is used to model fluid flow, turbulence, heat transfer and chemical reactions in industrial applications, including airflow over an aircraft wing and combustion in a furnace.
A case file can contain the computational mesh, solver settings, physical models, materials and boundary conditions that define a simulation. It is commonly used together with a Fluent data file, which stores the calculated solution results.
Open the .cas file in ANSYS Fluent on Microsoft Windows. In Fluent, use the command for reading or opening a case and select the file. Fluent can then load the mesh and simulation setup; read the associated data file as well when solution results are available.
Compatibility between Fluent releases can vary. If the file does not open, use the same release or a compatible release of Fluent that created or last saved it.
There is no general-purpose converter for a Fluent case file. Open the file in ANSYS Fluent and save it in a case format supported by the required Fluent release.
Fluent can also export selected simulation components, such as mesh or results, to other formats through its export commands. These exports do not provide a complete replacement for the original case file and may not preserve all of its setup.
Software apps that create cas files:
Microsoft Windows
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Various data file
Date updated: August 21, 2018
The cas file extension is associated with the i2 Analyst's Notebook application for analyzing and visualizing data used to prevent against crime developed by IBM.
The cas file contains data with timeline analysis.
Use compatible tools to work with *.cas files.
Probably cannot be converted to other formats.
Software applications that can open cas files:
Microsoft Windows
Software apps that create cas files:
Microsoft Windows
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Game file
Date updated: August 1, 2024
The cas file extension is associated with the Medival 2 Total War computer game from middle ages that combines turn based and real time strategy battles.
The cas file contains models of 3D objects, such as buildings, soldiers and others.
You cannot open this file type manually, it is accessed by the game automatically.
These games files cannot be converted to anything else. However, sometimes modding.
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Game file
Date updated: October 23, 2026
Need for Speed Rivals is an action racing game developed by Ghost Games and published by Electronic Arts. It was released for Microsoft Windows, PlayStation 3, PlayStation 4, Xbox 360 and Xbox One.
A .cas file contains various game data used by Need for Speed Rivals. The files are stored with the other files that make up the game installation rather than being intended as user documents.
These archives are commonly about 1 GB in size and are typically named cas_01.cas, cas_02.cas and so on.
These files are not intended to be opened as ordinary documents. Use the Frankelstner script utility to extract the contents of Need for Speed Rivals .cas files. The utility is available for multiple platforms.
Keep the extracted files with the related game data, because individual files may not be useful outside the game or its modding tools.
Need for Speed Rivals .cas files cannot normally be converted directly to another format. The practical option is to extract the archive with the Frankelstner script and work with any supported files it produces.
Software applications that can open cas files:
Multiplatform
Software apps that extract cas files:
Multiplatform
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Game file
Date updated: August 23, 2019
The car file extension is associated with the Quest development environment used to create text adventure games.
The cas file contains compiled text adventure created in Quest. Compiled games can be also played on-line in web browser. They are available on Quest official web pages.
Use Quest to open *.cas compiled adventure files.
Probably cannot be converted to anything else.
Software applications that can open cas files:
Microsoft Windows
Software apps that create cas files:
Microsoft Windows
Software applications that handle other tasks involving cas files:
Microsoft Windows
File type category:
Various data file
Date updated: September 27, 2026
The Videoton TVC was built around a Zilog Z80 processor and was available with 32 or 64 KB of RAM. It included a built-in BASIC interpreter and used audio cassettes for storing and loading programs and other data.
A CAS file preserves the contents of a TVC cassette recording in a form that an emulator can read. It can contain TVC programs, BASIC programs, and other data saved through the computer's cassette interface.
The format is mainly used for preserving and emulating software for the now-obsolete Videoton TVC rather than for current physical cassette storage.
Open the cas file in an emulator that supports Videoton TVC cassette images, then load or attach it through the emulator's virtual cassette controls. General-purpose archive, media, and office applications do not normally open this format.
There is no broadly supported general-purpose conversion for Videoton TVC CAS files. To preserve or use the software, load the file in a compatible TVC emulator; conversion to another TVC tape-image or audio format is possible only when that emulator provides the corresponding import or export function.
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