All about UXX Files

The UXX file type is primarily associated with Unreal Tournament 2003.

UXX	File extension: UXX
	File type:	cache

What is a UXX file?

UXX files mostly belong to Unreal Tournament 2003 by Epic. A UXX file is a cache of data used by Unreal Tournament 2003. Each cache created by this game is saved in the \Documents and Settings\<user>\My Documents\My Games\Unreal Tournament 3\UTGame\Cache of a Windows machine. Each UXX file saves media assets and other information in a way that improves the startup time of the game.

How to open a UXX file

You need a suitable software like Unreal Tournament 2003 to open a UXX file. You need a suitable software like Unreal Tournament 2003 from Epic to open a UXX 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 UXX file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a UXX file directly in the browser:. Just drag the file onto this browser window and drop it.

Online UXX Text Viewer

Choose your .uxx file to analyze

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Online File Viewer

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Trouble Opening a .UXX File? These Steps Will Help

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

Identify the Source: Files received from gamers or downloaded from modding sites are likely Unreal Tournament 2003 cache files.
Check the Header: Open the file in a hex viewer to inspect its first bytes.
- Unreal signatures imply a game cache.
- "PK" indicates a standard ZIP archive.
- Readable XML suggests a text-based configuration.
Use the Original Software: Opening it usually requires the original program. Try Epic's Unreal Tournament 2003, UnrealEd, or a cache extractor tool; if uncertain, ask the sender.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for UXX File Extension

File classification:

Game

Related files:

uux, dat, usx, ukx, utx

a uxx cache is a special file format by Epic and should only be edited and saved with the appropriate software.

How to solve problems with UXX files

Associate the UXX file extension with the correct application.
Update your software that should actually open caches. Because only the current version supports the latest UXX file format. Search, therefore, e.g. on the Epic manufacturer website after an available Unreal Tournament 2003 update.
To make sure that your UXX file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .UXX file online - secure, fast, and no downloads needed.