Tips to open CCP4 file

Can't open the CCP4 file? You are not the only one. Thousands of users face similar problems every day. Below you will find tips on how to open CCP4 files as well as a list of programs that support CCP4 files.

CCP4 file extension

File Name Collaborative Computational Project Number 4 Format
File Category Misc Files

The CCP4 file is supported on 1 operating systems. Depending on your operating system, you may need different software to handle the CCP4 files. Below is a summary of the number of programs that support and open the CCP4 file on each system platform.

Operating systems
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0

What is CCP4 file?

The file with the extension CCP4 is the Misc Files file type. Misc Files consists of 6033 similar files. Collaborative Computational Project Number 4 Format is most often found on 1 operating systems. Although it can be found with greater or lesser success on any operating system, it will only be useful on Windows. It is recommended to use VMD to handle this file. This is a program created by Theoretical and Computational Biophysics Group.

How to open CCP4 file?

The main problem with Collaborative Computational Project Number 4 Format is that the CCP4 file is incorrectly associated with programs. This is manifested by the fact that CCP4 files open in unusual applications or do not have an assigned program. This problem can be easily remedied.

The first thing you should do is just "doubleclick" on the CCP4 file icon you want to open. If the operating system has an appropriate application to support it and there is also an association between the file and the program, the file should be opened.

Step 1. Install VMD

In this case, you should first verify that the VMD application is installed on the computer. This can be achieved by typing VMD into the operating system search engine. If it is not, installation may solve the problem, as most applications create file associations during installation. Below you will find a list of applications that support CCP4 files.

Programs to open CCP4 file

Remember to download programs supporting CCP4 files only from verified and safe sources. We suggest using the websites of software developers.

VMD
VMD
Step 2. Create association of VMD with CCP4 files

If, despite the installed application, the CCP4 file does not start in the VMD application, you must create a file association. This option is available from the level of Properties of a specific file available in the context menu. Information about the file and the program that the file is associated with are available here. Using the "Change" button we can set the program to handle this type. The program should be visible in the window, otherwise it should be selected manually using the "Browse" button and the program installation directory should be indicated. The "always use the selected program ..." field will set the VMD application as the default for handling the CCP4 file.

Step 3. Update VMD to the latest version

The fault may also lie with the VMD program, it is possible that Collaborative Computational Project Number 4 Format requires a newer version of the program. In this case, use the Theoretical and Computational Biophysics Group website or update the program from the application.

Step 4. Check for the following problems with the CCP4 file

If the above steps do not help, you can assume that the file itself is not correct. The most common file problems are:

Very often, the file may be size 0 or incomplete. This suggests truncating the CCP4 file contents when downloading or copying. The file should be downloaded again, making sure that the process has finished correctly.
The operating system may be infected with a computer virus. Perform a virus scan using available and up-to-date anti-virus software. Alternatively, you can use the scanners available online. The scan should cover the entire computer, not only the CCP4 file that we want to open. However, remember that not every infected CCP4 file can be recovered, so it is important to take care of regular backups.
This can happen especially when the program is dynamically developed and the structure of the CCP4 files changes over time. These problems are known and are often very easy to fix using the software developers's website.
The file may be corrupted in a number of ways. Repairing is very dependent on the file type. Sometimes the program itself has options to repair the most popular CCP4 file corruption. You can restore the file from a backup or use help.
The program can also signal the fact of encryption. The encrypted CCP4 files cannot be played on other computers than the one on which they were encrypted, they must be decrypted before using on another device.
Some of the system directories are excluded from modification. The problem is only writing to the file, not reading it. It is best to move CCP4 to a different directory.
This problem only occurs with more complex files. In this case, the CCP4 file is blocked by the first application to open it. Running programs (including those in the background) should be verified. If the error persists after closing other programs, wait for a while. However, some background programs may block the CCP4 file while scanning. If this does not work either, restart the device.