This website uses cookies to improve your experience. You consent to our cookies if you continue to use this website. I Agree Read more
>> CAS file

CAS file format description

Many people share .cas files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cas file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cas files.

1 filename extension(s) found in our database.

.cas - Comma-Delimited ASCII File

CAS is a comma-delimited ASCII text file.

.cas file format description:
CAS format description not yet available
Microsoft Excel
Document files
- / -
Comma-Delimited ASCII File related links:
Comma-Delimited ASCII File related extensions:
Comma-Separated Values
Data Interchange Format
Tab-Separated Values
Microsoft Office XML Data Source
Microsoft Works Spreadsheet
Microsoft Excel VBA Add-in

Naturally, other applications may also use the .cas file extension. Even harmful programs can create .cas files. Be especially cautious with .cas files coming from an unknown source!

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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

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, xas, sas, das, csa, cqs, cax, cac, as, vas, fas, cws, cs, caz, cae

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Microsoft Agent Character
ChordWizard Songtrix Song
Adobe Encore Color Set
Abaqus/CAE Model Database
DB/TextWorks Access Control Special File
DeltaMaster Analysis Session Data

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .cas file format, then write to us!