A daily updated filename extension database!

CAS file extension

The table below provides useful information about the .cas file extension. It answers questions such as:

  • What is the .cas file?
  • What program do I need to open a .cas file?
  • How can the .cas file be opened, edited or printed?
  • How can I convert .cas files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Comma-Delimited ASCII File

Comma-Delimited ASCII File .cas file icon
CAS is a comma-delimited ASCII text file.
CAS format description not yet available
Category: Document files
Application: Microsoft Excel
Mime-type: text/plain
Magic number: -
Magic string: -
Sample: -
CAS aliases:
CAS related links:
CAS related extensions:
Comma-Separated Values

Data Interchange Format

Microsoft Works Spreadsheet

Quattro Pro Spreadsheet

Microsoft Excel Worksheet

Lotus 123 Spreadsheet

OpenDocument Spreadsheet

Tab-Separated Values

OpenDocument Chart

Pocket Excel Document

Other types of files may also use the .cas file extension.

🚫 The .cas file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

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

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Adobe Flash ActionScript
Tribes 2 Game Script
ConQuest Saved Search File
Caditor Encrypted Document
DeltaMaster Analysis Session Data
Initial Telnet Cache
CrystalPlayer Skin
Visual C# .NET Class
Core Animation Markup Language Data

🔴 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 a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .cas file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .cas file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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