FPK File Extension

What is FPK file?

Full format name of files that use FPK extension is Civilization 4 Data Format. Civilization 4 Data Format specification was created by 2K Games. FPK files are supported by software applications available for devices running Mac OS, Windows. FPK file belongs to the Game Files category just like 1509 other filename extensions listed in our database. PakBuild supports FPK files and is the most frequently used program to handle such files, yet 2 other tools may also be used.

Programs which support FPK file extension

Below you will find an index of software programs that can be used to open FPK files divided into 2 categories according to system platform supported. FPK files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with FPK extension?

There can be multiple causes why you have problems with opening FPK files on given system. On the bright side, the most encountered issues pertaining to Civilization 4 Data Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. We have prepared a listing of which will help you resolve your problems with FPK files.

Step 1. Get the PakBuild

The main and most frequent cause precluding users form opening FPK files is that no program that can handle FPK files is installed on user’s system. This one is an easy one. Select PakBuild or one of the recommended programs (for example, Macapaka, Dragon UnPACKer) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. The safest method of downloading PakBuild installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update PakBuild to the latest version

You still cannot access FPK files although PakBuild is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. If you have an older version of PakBuild installed, it may not support FPK format. The latest version of PakBuild should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open FPK files to PakBuild

If the issue has not been solved in the previous step, you should associate FPK files with latest version of PakBuild you have installed on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Change the default application in Windows

• Clicking the FPK with right mouse button will bring a menu from which you should select the Open with option
• Next, select the Choose another app option and then using More apps open the list of available applications
• The last step is to select Look for another app on this PC option supply the directory path to the folder where PakBuild is installed. Now all that is left is to confirm your choice by selecting Always use this app to open FPK files and clicking OK.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with FPK extension, select Information
• Find the Open with option – click the title if its hidden
• Select the appropriate software and save your settings by clicking Change all
• If you followed the previous steps a message should appear: This change will be applied to all files with FPK extension. Next, click the Continue button to finalize the process.

Step 4. Check the FPK for errors

Should the problem still occur after following steps 1-3, check if the FPK file is valid. Problems with opening the file may arise due to various reasons.

1. Verify that the FPK in question is not infected with a computer virus

If the FPK is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. FPK file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

Did you receive the FPK file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the FPK file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Civilization 4 Data Format file.

4. Make sure that the system has sufficient resources to run PakBuild

If the systems has insufficient resources to open FPK files, try closing all currently running applications and try again.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with Civilization 4 Data Format files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with FPK files affecting older versions of given software.

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