CP3 file format description

Many people share .cp3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cp3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cp3 files.

3 filename extension(s) found in our database.

.cp3 - Grand Prix 3 Cockpit Shape

The CP3 game data files are related to Grand Prix 3. The CP3 file is a Grand Prix 3 Cockpit Shape. Grand Prix 3 is a computer racing simulator by MicroProse.

Grand Prix 3
Game Data files
- / -
Grand Prix 3 Cockpit Shape related extensions:
Rogue Trooper Redux Game Video
World of Warplanes Report
GTA 4 Map and Weapon Model
Halo Custom Edition Data
Pajama Sam 4 Game Archive
RollerCoaster Tycoon 3 Fireworks Data

.cp3 - Atari ST Picworks Image

The CP3 graphic files are related to Recoil. The CP3 file is an Atari ST Picworks Image. The Atari ST is a line of home computers from Atari Corporation and the successor to the Atari 8-bit family.

Graphic files
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Atari ST Picworks Image related extensions:
Commodore 64 8x8 Font Data
Commodore 64 SEUCK Sprite Image
Atari 8-bit Anime 4ever Image
Commodore Amiga AMOS Bitmap
Commodore Amiga Continuous Bitmap Image
Commodore 64 AFLI-editor Image

.ck3 - ChessBase Endgame Key Data

The CK3 game data files are related to ChessBase. The CK3 file is a ChessBase Endgame Key Data. ChessBase is a personal, stand-alone chess database.

Game Data files
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ChessBase Endgame Key Data related extensions:
ChessBase Annotations
ChessBase Search Booster
ChessBase Commentators Index
ChessBase Hash File of Doubles Data
ChessBase Team Index
ChessBase Old Game Database

Naturally, other applications may also use the .cp3 file extension. Even harmful programs can create .cp3 files. Be especially cautious with .cp3 files coming from an unknown source!

Can't open a .cp3 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 .cp3 file extension is often given incorrectly!

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

c3, c3p, cl3, cp, cpe, cpr, cpw, dp3, fp3, p3, pc3, sp3, vp3, xp3

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Eudemons Online 3D Model
Adobe Captivate Preferences Data
Autodesk AutoCAD Plot Configuration
Atari 8-bit Trzmiel Compressed Image
NGS Standard Product 3 Format Data
Adobe Captivate Project

Operating systems

DataTypes.net 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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DataTypes.net >> CP3 file