CCP4 file format description

Many people share .ccp4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ccp4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ccp4 files.

1 filename extension(s) found in our database.

.ccp4 - Collaborative Computational Project Number 4 Format Data

The CCP4 data files are related to CCP4. The CCP4 file is a Collaborative Computational Project Number 4 Format Data. The CCP4 (Collaborative Computational Project Number 4) software suite is a collection of programs and associated data and software libraries which can be used for macromolecular structure determination by X-ray crystallography.

Data files
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Collaborative Computational Project Number 4 Format Data related extensions:
Ash Ware Enhanced Behaviour Data
PhotoBase Album Data
Dpatch Patch Data
MicroWorlds EX Data
Band-in-a-Box Third-Party Styles
Orgadata LogiKal Data

Naturally, other applications may also use the .ccp4 file extension. Even harmful programs can create .ccp4 files. Be especially cautious with .ccp4 files coming from an unknown source!

Can't open a .ccp4 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 .ccp4 file extension is often given incorrectly!

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

cc4, ccp, ccpr, cp4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CopperCube Prefab Data
CaptureCAM Pro Data
Crossword Compiler v4 Crossword Data
Adobe Captivate 4.0 Simulation Data
CodeCharge Studio Page
CaptureCAM Pro Screen Recording

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 .ccp4 file format, then write to us! >> CCP4 file