CAOS file format description

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

1 filename extension(s) found in our database.

.caos - CanOpener Preference

The CAOS configuration files are related to CanOpener. The CAOS file is a CanOpener Preference. CanOpener is a data recovery software for the Mac.

Configuration files
- / -
CanOpener Preference related extensions:
CanOpener Data
CanOpener Library

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

Can't open a .caos 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 .caos file extension is often given incorrectly!

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

aos, cals, cao, caps, cas, cos

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Capture One Settings
Scilab Binary Diagram
Comma-Delimited ASCII Text
Nokia Phone Add-on Software
CALS Compressed Bitmap
CAO Cryptographic Language Data

Operating systems currently supports the following operating systems:

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