File Extension Library

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.ONPF File Extension

  • Category: Miscellaneous Files

What are .ONPF files and how to open them?

Can't open .ONPF 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 .ONPF file.

What is a .ONPF file extension?

.ONPF file extension has been classified as Miscellaneous Files.

.ONPF is Apple DocViewer file

The ONPF file extension is associated with the Apple DocViewer for old versions of Mac OS.


How to open:

No information how to open ONPF available yet.

How to convert:

No additional information how to convert ONPF available yet.

How to fix problems with .ONPF files

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