Opening CJP Files

The CJP file type is primarily associated with WinOnCD.

CJP	File extension: CJP
	File type:	Project File

What is a CJP file?

CJP files mostly belong to WinOnCD by Sonic Solutions. This is an older specialty product. Roxio's Media Creator is now being sold in its place. Sonic Solutions bought out Roxio’s consumer software division on 20 December 2004.

How to open CJP files

You need a suitable software like WinOnCD to open a CJP file. You need a suitable software like WinOnCD from Sonic Solutions to open a CJP 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 CJP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CJP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CJP Text Viewer

Choose your .cjp file to analyze

or drag and drop it here

Online File Viewer

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.CJP File Won't Open? Here is What You Can Do

A .CJP file can originate from different applications and isn't universally openable.

Identify the Source: If received from someone burning optical media, it's likely a WinOnCD Project File. From a developer, it may be a custom project.
Check the Header: Inspect the first bytes using a text or hex editor:
- Readable XML/JSON suggests a text-based project file.
- "PK" indicates a standard ZIP archive.
- Unreadable binary data points to proprietary formats like CD compilations.
Use the Original Software: The original program is usually required; try Sonic Solutions WinOnCD, Roxio Creator, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect its format, extract readable metadata, and preview contents when possible.

Technical Data for CJP File Extension

Related files:

cpj, jpg, c2d, cif, cl4

a cjp Project File is a special file format by Sonic Solutions and should only be edited and saved with the appropriate software.

How to solve problems with CJP files

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