CAS file format description

Many people often share .cas 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 .cas files. To address this issue, we have created this page to offer assistance and guidance on handling .cas files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .cas files.

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

10 filename extension(s) found in our database.

.cas - Comma-Delimited ASCII Text

The CAS document files are related to Microsoft Excel. The CAS file is a Comma-Delimited ASCII Text.

Application:Microsoft Excel
Category:Document files
Magic:- / -

Comma-Delimited ASCII Text related extensions:

  • effx Efficient PIM v3 Data
  • effw Efficient PIM v5 Data
  • htmhjt Treepad v6 Text Database
  • grf Micrografx Graph Plus Drawing
  • qdf Label Matrix Label Design
  • mdbhtml Microsoft Access Database HTML Document

.cas - Autodesk Cascade License Data

The CAS data files are related to Autodesk Network License Manager. The CAS file is an Autodesk Cascade License Data. Autodesk Cascade Licensing allows a product to obtain a license from a network license manager pool when that license manager is servicing more than one product.

Application:Autodesk Network License Manager
Category:Data files
Magic:- / -

Autodesk Cascade License Data related extensions:

  • bini Smokeview Simulation Boundary Data
  • rdz RemoteDocs Encrypted Document
  • c1s Capture One Photo Cache Data
  • odb Abaqus/Explicit Output Database
  • exp Intuit QuickBooks Exported Data
  • svt Stonevoice Translator Tree of Localizable Data

.cas - Need for Speed Rivals Game Data

The CAS game data files are related to Need for Speed Rivals. The CAS file is a Need for Speed Rivals Game Data. Need for Speed Rivals is a racing video game published by Electronic Arts.

Application:Need for Speed Rivals
Category:Game Data files
Magic:- / -

Need for Speed Rivals Game Data related extensions:

  • w2strings The Witcher 2 Game Localization Data
  • profile Star Wars Battlefront II Player Profile
  • lmp Baldurs Gate: Dark Alliance Game Data
  • ftex Mario Kart 8 Cafe Texture Data
  • xbsav Mass Effect 2 for Xbox Saved Game
  • imu Star Wars: Force Commander Audio Data

.cas - Videoton TV Computer Tape Data

The CAS disk image files are related to WinTVC Emulator. The CAS file is a Videoton TV Computer Tape Data. Videoton TV Computer (TVC) is an 8-bit home computer which was manufactured by the Hungarian company Videoton.

Application:WinTVC Emulator
Category:Disk Image files
Magic:- / -

Videoton TV Computer Tape Data related extensions:

  • lvi Lazesoft Recovery Suite Disk Image
  • xmd UltraISO Extended Media Disk Image
  • udif Apple Mac OS X Universal Disk Image
  • vhdx Windows Server Virtual Hard Drive
  • d80 Commodore CBM-8050 Disk Image
  • qcow QEMU Copy On Write Disk Image

.cas - Battlefield 4 CAS Data

The CAS game data files are related to Battlefield 4. The CAS file is a Battlefield 4 CAS Data. Battlefield 4 is a first-person shooter video game published by Electronic Arts.

Application:Battlefield 4
Category:Game Data files
Magic:- / -

Battlefield 4 CAS Data related extensions:

  • wgpkg World of Tanks Update Package
  • wagame Worms Armageddon Recorded Game
  • d2i ATMA Diablo II Items Data
  • qle Qoole 99 Level Data
  • ojm O2Jam Music File
  • bfg Big Fish Games Application

.cas - ANSYS Fluent Case Data

The CAS data files are related to ANSYS Fluent. The CAS file is an ANSYS Fluent Case Data. The ANSYS Fluent is a program capable of carrying out the physical modelling of fluid flow, turbulence, heat transfer and chemical reactions for industrial applications ranging from airflow around an airplane wing to combustion in a furnace, from bubble columns to offshore oil platforms, from blood circulation to semiconductor design and from the design of a clean room up to sewage treatment plants.

Application:ANSYS Fluent
Category:Data files
Magic:- / -

ANSYS Fluent Case Data related extensions:

  • mqd Malete Query Data File
  • mbj Yamaha EffectGear Data
  • rfb RoboForm Bookmark File
  • dxthemepro DesktopX Pro Theme Data
  • smr Spike2 Time Views Data
  • nll newlook Batch Script

.cas - Medieval 2: Total War Model Data

The CAS game data files are related to Medieval 2: Total War. The CAS file is a Medieval 2: Total War Model Data. Medieval 2: Total War, the indirect sequel to Medieval: Total War and the fourth game in the Total War series from The Creative Assembly, is a game of turn-based strategic rounds and real-time tactically-oriented battles.

Application:Medieval 2: Total War
Category:Game Data files
Magic:- / -

Medieval 2: Total War Model Data related extensions:

  • cbd Test Drive Unlimited Cache Data
  • neosave Neopets Puzzle Adventure Save File
  • toc Battlefield 4 TOC Data
  • dawg Eliot Dictionary Data
  • scn OpenTTD Scenario Data
  • lbf BioShock Game Data

.cas - Bitdefender CAS Data

The CAS data files are related to Bitdefender. The CAS file is a Bitdefender CAS Data. Bitdefender Antivirus is a free antivirus program for Microsoft Windows.

Category:Data files
Magic:- / -

Bitdefender CAS Data related extensions:

  • bdx Bitdefender BDX Data
  • bvd Bitdefender Vault File
  • ias Bitdefender IAS Data
  • m64 Bitdefender M64 Data
  • slf Bitdefender SLF Data
  • sls Bitdefender SLS Data

.cas - Quest Compiled Adventure Game

The CAS game data files are related to Quest. The CAS file is a Quest Compiled Adventure Game. Quest is an open-source engine and editor for text adventure games, available as a web app and also as a Windows desktop app.

Category:Game Data files
Magic:- / -

Quest Compiled Adventure Game related extensions:

  • asl Quest Adventure Game
  • qsg Quest Saved Game

.cas - Borland Combined C/Assembly Source Code

The CAS development files are related to Borland Turbo C. The CAS file is a Borland Combined C/Assembly Source Code. Borland Turbo C is a C compiler that was developed by Borland with an integrated IDE. The Borland Turbo C seems to be no longer supported.

Application:Borland Turbo C
Category:Development files
Magic:- / -
Aliases:fo1, fo2, tb2

Borland Combined C/Assembly Source Code related extensions:

  • xiw CSR µEnergy SDK Workspace
  • jsh Jsh Script
  • dem Delphi Edit Mask
  • dsm Delphi Symbol Data
  • dct Delphi Component Template
  • hdev HDevelop Data

Be careful.

It is important to understand that the .cas file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .cas extension to create files. This includes potentially harmful programs or malware that may generate .cas files for various purposes. Be especially cautious with .cas files coming from untrusted or unknown sources.

Can't open a .cas 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 an extension, you receive the following message:

Select an app to open this .cas file

To set the .cas file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .cas file association. Many applications can open .cas files without requiring any specific file association to be set.

The .cas 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. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

acs, as, ca, ca5, cac, cae, caw, cax, caz, cqs, cs, csa, cws, cxs, czs

Is it possible that the filename extension is misspelled?

There is a possibility that the .cas 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 .cas:

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

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