>> CAO file

CAO file format description

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

1 filename extension(s) found in our database.

.cao - CAO Cryptographic Language Data

The CAO data files are related to CAO Compiler. CAO file is a CAO Cryptographic Language Data. CAO is a domain-specific language for cryptography.

CAO Compiler
Data files
- / -
CAO Cryptographic Language Data related extensions:
Mac OS X Location Manager Module
Westok Cellbeam Data
Intuit TurboTax 2015 Tax Return Data
Intuit TurboTax 2017 Tax Return Data
Microsoft Excel for Mac Toolbar Setup
Reason Remote Lua Codec Data

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

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

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

aco, ao, ca, cai, cak, cal, cap, co, coa, cxo, xao

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Sega Saturn Cinepak Video
HTML Calendar Maker Pro Calendar Data
CALS Compressed Bitmap
Broderbund PrintMaster Calendar
Radiance Function File
Lego Mindstorms NXT Sensor Calibration Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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