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USI file extension

The table below provides useful information about the .usi file extension. It answers questions such as:

  • What is the .usi file?
  • What program do I need to open a .usi file?
  • How can the .usi file be opened, edited or printed?
  • How can I convert .usi files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ UsiXML UI Description Data

USI file is a UsiXML UI Description Data. USer Interface eXtended Markup Language (UsiXML) is an XML-based markup language for defining user interfaces on computers.
Application: UsiDistrib
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
USI aliases:
USI related links:
USI related extensions:

Other types of files may also use the .usi file extension.

🚫 The .usi file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

isi, jsi, ksi, si, sui, uci, ui, uis, us, usk, usl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

AutoDesk Softimage Document
UFS Explorer Compressed Image
Web of Science Databases Output
ProWorx NXT USL Loadable
QT User Interface File
JAWS Personal Settings Data
Stardock WindowsBlinds Style Description
Alloy Blending System KSI Data
Ultraplayer Playlist Data
StarSplatter User Interface

🔴 Can't open a .usi file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .usi file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .usi file extension, write to us!

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