A daily updated filename extension database!

PYO file extension

The table below provides useful information about the .pyo file extension. It answers questions such as:

  • What is the .pyo file?
  • What program do I need to open a .pyo file?
  • How can the .pyo file be opened, edited or printed?
  • How can I convert .pyo files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Python Optimized Code

PYO file is a Python Optimized Code. When the Python interpreter is invoked with the -O flag, optimized code is generated and stored in PYO files.
Application: Python
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
PYO aliases:
PYO related links:
PYO related extensions:
Python Script

Python Macro File

Python Bytecode

Python Dynamic Module

Pyrex Source

TCL Script

Pyrex Definition File

Python Repository

Python Path Configuration

Python Wheel Package

Other types of files may also use the .pyo file extension.

🚫 The .pyo file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

pgo, pho, po, pto, py, pyi, pyk, pyp, yo

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

GNU Gettext Portable Object
Python Script
Papagayo Data
Cognos Model File
QlikView Server Persistent Group Object
pyStk Output Data
MBROLA Phonetic Data
AllPlan PythonParts Script
Y86 Assembler Object
Hugin Project

🔴 Can't open a .pyo file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .pyo file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .pyo file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文