PFX file – What is it? How to open such file? Solutions to problems with PFX files

Unknown file extension can be a source of various problems. However, identifying the causes of problems with PFX files and addressing them isn’t necessary a complicated process. This article will describe 5 simple steps that will let you address problems with PFX files.

PFX File Extension

File
  • File type PKCS #12 Certificate Format
  • File developer N/A
  • File category System Files
  • File popularity rating
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Preview

What is a(n) PFX file?

The PFX extension is used by certification authorities to verify specific data. PFX files store encrypted certificates that can be used to authenticate network hosts such as a web server. You need a password to read the file.

Open

How to open PFX file?

Step 1. Find and download then install appropriate software

Typically in order to open .PFX files it is sufficient to follow these simple steps: find, download, and install appropriate software. Then, by double-clicking on the file icon, open the file. System should automatically associate PFX file with appropriate software. Below is the list of programs required to open files with PFX extension:

Programs that support PFX files

Step 2. Verify whether the PFX file is not infected with malware

If given file with PFX extension is not infected, it is possible that the antivirus software is blocking access to the file. User should take necessary precautions and follow the steps suggested by the system. After recovering or removing the infected file it is recommended to scan the entire system for viruses. Yo will have to acquire a new, clean version of PFX file.

Hint!

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Be advised that you can always consult an IT expert for help. Some problems with PFX files can be hard to solve for less sophisticated users. Also, you can ask for help one of the developers of software that supports files with PFX extension. In order to do so, go to software’s subpage and search for software’s developer website address

Step 3. Verify whether the PFX files is complete, that is, was it downloaded properly

If the PFX file has not been downloaded properly it is not possible for the software to open such file. Check the file size in the location from where you downloaded the file in question. If the size of the original file differs from the size of downloaded PFX file, you will have to download the file again.

Step 4. Verify whether PFX files are associated with proper software

If the system registry has no entry related to default program that should be used to open PFX files, even though given program is installed on the system, then PFX files must be associated with the application in question.

Associating files with applications is performed similarly regardless of the type of system and consists in selecting an application which should be used for opening given type of files. In order to associate PFX files with given application, right-click the file icon and select form the context menu "Open with" option, which will display a list of suggested programs. Select your program from the list. If the application is not on the list, use the "Browse" button and point to the location of the application. Checking "Always use selected application to open this kind of files" option will set selected application as the default application for opening given files.

Step 5. Verify whether the storage medium on which the PFX files is stored is not damaged or corrupted

It is possible that the storage medium on which the file is located is damaged or corrupted. Try scanning the storage medium for errors.

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