Opening CUC Files

The CUC file type is primarily associated with SeeYou.

CUC	File extension: CUC
	File type:	Contest File

What is a CUC file?

CUC files mostly belong to SeeYou by Naviter. SeeYou is a planning and analysis tool for glider pilots. It is designed for the desktop and notebook PCs.

How to open CUC files

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

Online CUC Text Viewer

Choose your .cuc file to analyze

or drag and drop it here

Online File Viewer

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Can't Open Your .CUC File? Try These Steps

CUC files can originate from various specialized programs and aren't universally openable.

Identify the Source: If received from a gliding competition or a pilot, it strongly suggests a Naviter SeeYou Contest File.
Check the Header: Open the file in a text editor or hex viewer to inspect the first bytes:
- "PK" indicates a zipped archive.
- Readable XML/JSON suggests structured data.
- Unreadable binary means it requires specific software.
Use the Original Software: The original program is usually required; try Naviter SeeYou, a compatible flight analysis tool, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text or metadata, and preview when possible.

Technical Data for CUC File Extension

Related files:

cus, png, sua, qmp, grw

a cuc Contest File is a special file format by Naviter and should only be edited and saved with the appropriate software.

How to solve problems with CUC files

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