Opening a UCX File

The UCX file type is primarily associated with Rational XDE.

UCX	File extension: UCX
	File type:	Rational XDE files

What is a UCX file?

UCX files mostly belong to Rational XDE by IBM. Use our "Online UCX Text Viewer" below to analyze your UCX file and to see all text it contains.

How do you open UCX files?

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

Online UCX Text Viewer

Choose your .ucx file to view

or drag and drop it here

Online File Viewer

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How to extract texts from UCX files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from UCX file or capture a preview screenshot using our online UCX file viewer:

To do so, click the "Choose your .ucx file to view" button above.
Your UCX file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Download the converted file.

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

A .UCX file can originate from different programs and isn't universally openable.

Identify the Source: If received from a software developer, it is likely an IBM Rational XDE UML model. If from a gamer, it may be a game cache file.
Check the Header: Open the file in a text editor or hex viewer to inspect the first bytes:
- Readable XML often indicates a structured model.
- "PK" suggests a zipped archive.
- Unreadable binary data means it requires specialized software.
Use the Original Software: You usually need the original program, such as IBM Rational XDE, to open it properly; if uncertain, ask the sender.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for UCX File Extension

Related files:

smx, cbx, nix

a ucx Rational XDE file is a special file format by IBM and should only be edited and saved with the appropriate software.

How to solve problems with UCX files

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