Opening USZ Files

The USZ file type is primarily associated with LoadRunner.

USZ	File extension: USZ
	File type:	archive

What is a USZ file?

USZ files mostly belong to LoadRunner. LoadRunner User Script Zip (USZ) files are specialized archives that package performance test scripts used with Micro Focus LoadRunner. Internally, they follow the ZIP file format, bundling test scripts along with configuration and resource files required for performance testing.
Main uses:

Contain performance testing scripts

Include configuration settings and assets

Support load simulation executions

FilExt.com note: Though these files use the ZIP structure, opening them with standard ZIP utilities only reveals the contents. For proper modifications and executions, they must be managed within Micro Focus LoadRunner. Refer to this page for more details on performance engineering.

How to open USZ files

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

Online USZ Text Viewer

Choose your .usz file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert USZ files:

LoadRunner
See the previous paragraphs to learn more about the main application. USZ files are often referred to as LoadRunner compresseds because this type of file is primarily created or used by this software.
UsiXML (UI Description File) 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. The Mime types used with this association are: application/zip. This file format is classified as Archive.

Technical Data for USZ File Extension

File classification:

Compressed

Related files:

uax, zip, usi, gxs, rar, 7z, tar, cab

Mime type:

application/zip

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: SkinStudio.usz
EXEFile: Y:\Object Desktop\SkinStudio\sknstdio.exe %1

ProgramID: SkinStudio.usz
EXEFile: %ProgramFiles%\Stardock\Object Desktop\SkinStudio\SknStdio.exe %1

ProgramID: SkinStudio.usz
EXEFile: %ProgramFiles%\Stardock\OBJECT~1\SKINST~1\SknStdio.exe %1

ProgramID: SkinStudio.usz
EXEFile: C:\DOCUME~1\JOSHAL~1\MYDOCU~1\MISC\WINDOW~1\SKINST~1\SknStdio.exe %1

ProgramID: uszfile
EXEFile: %ProgramFiles%\Mercury Interactive\Mercury LoadRunner\bin\VugenLauncher.exe %1

ProgramID: SkinStudio.usz
EXEFile: %ProgramFiles%\SkinStudio\SknStdio.exe

Show all 6 listings To Top

a usz archive is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with USZ files

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