PYC File Extension

PYC file icon

Python Compiled Format

  • File Type pyc
  • Developer Python Software Foundation
  • Popularity
    4.8 (34 votes)
  • Application Python
  • Category Developer Files

What is a PYC file?

The PYC file extension is linked to Python Compiled Format and belongs to the Developer Files category, which includes 1166 files.

Python, the developer of the Python Compiled Format (PYC), has released file format and programs designed to handle them.

PYC files are supported by Windows. There are 2 programs available to open a PYC file, including popular tools like Python and Jabbim.

MIME types

  • applicaiton/x-bytecode.python
  • application/x-python-bytecode

Programs that support PYC files

How to open a PYC file?

If you are having trouble opening a PYC file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

The most popular programs for working with PYC files are Python and Jabbim. To install the current version of Python, go directly to the official Python website. The universal package for all operating systems is available there.

After setup, the operating system should recognize PYC files and link them with Python.

Setting Python as default PYC viewer

Changing the default program in Windows

  1. Right-click on your PYC file and choose the "Open With" option. Then click "Choose another app" to continue the process;
  2. Choose Python from the available applications listed in the pop-up window to set it as the default application to open your PYC file;
  3. Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.

Change the default app for a file type in Mac

  1. Initiate a right click or use Control + left click on the desired PYC file to open a menu where you can select various actions;
  2. Select "Open in application" and click "Other";
  3. Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
  4. Choose "All Programs" within this menu and locate Python. Check the box next to "Always open in app" to set it as the default program.

How to edit a PYC file?

To edit PYC files, you need to install specialized software that allows you not only to open but also to modify developer files. Online PYC editors usually provide fewer features than software created specifically for Python Compiled Format.

Best PYC editors in 2026

Based on your described criteria, here is a list of available PYC editors.

PYC Editor SoftwareDeveloperPlatformsOverall Rating
PythonPythonWindows4.8 out of 5 (38 reviews)

Tips and tricks to solve problems with PYC files

PYC files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.

Are there any symptoms that my PYC file is damaged?

Corrupted PYC developer files may have one or more of the following symptoms:

  • File hangs or crashes in Python or other programs;
  • Error dialogs are displayed when interacting with the file;
  • The file does not open or opens with errors;
  • Unexplained increase in PYC file size;
  • Poor performance when editing a file in Python;

Why does Python crash or shut down frequently?

The absence of software updates can cause Python to crash. It is recommended to install the latest available updates for Python products.

Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.

Is there any specific software or utility that can help repair a damaged PYC file?

Start a data recovery program and open the damaged PYC file. Go to the menu and select the "Repair" option to repair the file. Then wait for the recovery process to complete, which allows you to automatically repair corrupted developer files.