What does OPN mean in File Extensions?
This page is about the meanings of the acronym/abbreviation/shorthand OPN in the Computing field in general and in the File Extensions terminology in particular.
Find a translation for OPN in other languages:
Select another language:
Discuss this OPN abbreviation with the community:
Use the citation below to add this abbreviation to your bibliography:
OPN also stands for:
... and 14 more »