Opening a COX File

The COX file type is primarily associated with Multimedia Fusion.

COX	File extension: COX
	File type:	Plug-In

What is a COX file?

COX files mostly belong to Multimedia Fusion by Clickteam. This plug-in works like a Windows .DLL file with a .COX extension. The extension .COX is also referenced on the Clickteam site as a Click & Create extension. Multimedia Fusion is a tool for creating applications, multimedia applications and games. MMF continues the graphical programming interface started with Klik & Play and continued with The Games Factory.

How can I open a COX file?

You need a suitable software like Multimedia Fusion to open a COX file. You need a suitable software like Multimedia Fusion from Clickteam to open a COX file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your COX file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a COX file directly in the browser:. Just drag the file onto this browser window and drop it.

Online COX Text Viewer

Choose your .cox file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

What to Do When a .COX File Fails to Open

Because .COX files can originate from different programs, they aren't universally openable.

Identify the Source: Receiving this from a game developer or designer often suggests it is a game engine plug-in.
Check the Header: Open the file in a hex viewer or text editor to inspect the first bytes:
- Readable text (XML/JSON) suggests a configuration file.
- "PK" indicates a standard ZIP archive.
- Unreadable binary data often points to a compiled plug-in.
Use the Original Software: The original program is usually required; try Clickteam's Multimedia Fusion, Clickteam Fusion 2.5, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable metadata, and preview when possible.

Technical Data for COX File Extension

Related files:

ocx, ccn, mfa, iit

a cox Plug-In is a special file format by Clickteam and should only be edited and saved with the appropriate software.

How to solve problems with COX files

Associate the COX file extension with the correct application.
Update your software that should actually open plug-ins. Because only the current version supports the latest COX file format. Search, therefore, e.g. on the Clickteam manufacturer website after an available Multimedia Fusion update.
To make sure that your COX file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .COX file online - secure, fast, and no downloads needed.