File Extension Library


.USI File Extension

  • Developer by: Sublime HQ Pty Ltd
  • Category: Source code and script Files

What are .USI files and how to open them?

Can't open .USI file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .USI file.

What is a .USI file extension?

.USI file extension is created by Sublime HQ Pty Ltd. .USI has been classified as Source code and script Files.

.USI is UsiXML UI description

The usi file extension is related to UsiXML - User Interface Extensible Markup Language and used for one of its default file types.

These usi files are sources that describe user interface settings.


How to open:

You can view these files using any text editor.

How to convert:

Probably cannot be converted to anything else.

How to fix problems with .USI files

  1. You need to update the application that you normally use to open .USI files. Only the latest version of the software supports the current .USI file format
  2. You need to check the .USI file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)