File Extension Library


.PCO File Extension

  • Category: Various data Files

What are .PCO files and how to open them?

Can't open .PCO 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 .PCO file.

What is a .PCO file extension?

.PCO file extension has been classified as Various data Files.

.PCO is PComposer notation project

The pco file extension is mainly related to older music notation software called PComposer (not to be confused with Personal Composer) and used for its default notation project file. Looks like older program.

.PCO file format is deprecated and this file format is no longer supported.

Currently, .PCO file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

Use PComposer to work with *.pco files.

How to convert:

Possibly can be converted like any other project files.

How to fix problems with .PCO files

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