CPAO file format description

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

1 filename extension(s) found in our database.

.cpao - 3Dize Cool Page Objects Counter Data

The CPAO data files are related to 3Dize Cool Page. The CPAO file is a 3Dize Cool Page Objects Counter Data. Cool Page is a WYSIWYG Web page design tool developed by 3Dize.

3Dize Cool Page
Data files
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3Dize Cool Page Objects Counter Data related extensions:
CET Designer Favorites Data
Conflict Minerals Reporting Template
CET Designer Paper View Papers Data
SOBEK Digital Elevation Map Data
VSE/VSAM Fixed-Length Records Data
eTextbookViewer License Data

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

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

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

cao, cpa, cpo, pao

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Cadstar PCB Design
Xilinx Peripheral Analyze Order File
Prism Image
Colasoft Capsa Data
Adobe Premiere Pro Conformed Audio
Corel Print House Document

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 .cpao file format, then write to us! >> CPAO file