Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .pyo

Below, you can find answers to the following questions:

  • What is the .pyo file?
  • Which program can create the .pyo file?
  • Where can you find a description of the .pyo format?
  • What can convert .pyo files to a different format?
  • Which MIME-type is associated with the .pyo extension?

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

Python Optimized Code .pyo file icon

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.
Category: Development files
Application: Python
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Python Script
Python Macro File
Python Bytecode
Python Dynamic Module
Pyrex Source
TCL Script
Pyrex Definition File
Python Repository
Python Path Configuration

Other types of files may also use the .pyo file extension. If you have helpful information about .pyo extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

GNU Gettext Portable Object
Python Script
Hugin Project
MBROLA Phonetic Data
Cognos Model File

The .pyo filename extension is often given incorrectly!

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

po (6), py (5), pto (3), pho (2), pyi (2)

Can't open a .pyo file?

If you want to open a .pyo file on your computer, you just need to have the appropriate program installed. If the .pyo association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.pyo

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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