File Extension Library

.CP9 File Extension

  • Category: Compressed Files

What are .CP9 files and how to open them?

Can't open .CP9 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 .CP9 file.

What is a .CP9 file extension?

.CP9 file extension has been classified as Compressed Files.

.CP9 is ChoicePoint Encrypted File

E-mail attachment encrypted using ChoicePoint NSA (National Safety Alliance) encryption; will open when double-clicked if the ChoicePoint decryption software is installed

How to fix problems with .CP9 files

  1. You need to update the application that you normally use to open .CP9 files. Only the latest version of the software supports the current .CP9 file format
  2. You need to check the .CP9 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)