Opening a USI File

The USI file type is primarily associated with UsiXML.

USI	File extension: USI
	File type:	UI Description File

What is a USI file?

USI files mostly belong to UsiXML by Universite Catholique de Louvain-la-Neuve. UsiXML (which stands for USer Interface eXtensible Markup Language and pronounced yousiksml) is an XML-compliant markup language that describes the UI for multiple contexts of use such as Character User Interfaces (CUIs), Graphical User Interfaces (GUIs), Auditory User Interfaces, and Multimodal User Interfaces.

How to open a USI file

You need a suitable software like UsiXML to open a USI file. You need a suitable software like UsiXML from Universite Catholique de Louvain-la-Neuve to open a USI 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 USI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a USI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online USI Text Viewer

Choose your .usi file to analyze

or drag and drop it here

Online File Viewer

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Unable to Open a .USI File? Quick Solutions:

USI files can come from different programs and aren't universally openable.

Identify the Source: These files often come from UI designers or developers, suggesting they are UsiXML UI Description Files.
Check the Header: Open the file in a text editor to inspect its first lines.
- If you see <?xml, it's likely a standard UsiXML file containing readable text.
- If you see "PK", it may be a zipped archive.
Use the Original Software: The original program is usually required; try UsiXML tools (developed by Universite Catholique de Louvain-la-Neuve), a standard XML editor, or ask the sender if uncertain.
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 USI File Extension

File classification:

XML

Related files:

usz, gxs

Mime type:

text/xml

a usi UI Description File is a special file format by Universite Catholique de Louvain-la-Neuve and should only be edited and saved with the appropriate software.

How to solve problems with USI files

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