File Extension Library

.PFX File Extension

  • Category: System Files

What are .PFX files and how to open them?

Can't open .PFX file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .PFX file.

What is a .PFX file extension?

.PFX file extension has been classified as System Files.

.PFX is PKCS #12 Certificate File

Encrypted security file that stores secure certificates used to authenticate a person or device, such as a computer or web server; requires a password to be opened; can be installed by right-clicking the file and selecting "Install PFX."

List of all softwares that can open the PKCS #12 Certificate File
Adobe Acrobat DC
Microsoft Certificate Manager
Adobe Acrobat DC
File Type 2:

First Choice Word Processing Document

Developer by: SoftKey PFS Category: Text Files Format: Binary

Text document created by the First Choice word processor.

How to fix problems with .PFX files

  1. You need to update the application that you normally use to open .PFX files. Only the latest version of the software supports the current .PFX file format
  2. You need to check the .PFX file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)