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

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

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.

USZ format details:

To view or edit USZ files you need to know the file format, because it determines how the data in this file is stored. The file format can be deduced from the file extension and the signature. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. Knowledge is power - this also applies when dealing with unknown or faulty files. Below is our analysis of the USZ files:

USZ is seldom used as a file extension and mainly uses a special format. But the following two file formats are common:

80% of all USZ files use ZIP compression, so several files are compressed and saved in one USZ file. The number of files included is on average 19 and ranges from 7 to 30. File names inside are always Action.c, combined_1.c, default.cfg, default.usp, globals.h, vuser_end.c and vuser_init.c. A little tip: If you rename the file extension to .zip and then double-click, you will see the included files and images. The file size is in the range of 7 KB to 2 MB. Files like these have the following tags: request, search, initiate, rampup, connect, batch, login, meter and info.

The remaining 20% of all USZ files are different files with different signatures. Often described as schedule, archive, edition, planned, outage, elar or port. If you want to find out which format your USZ file belongs to, just click on the button "Choose your .usz file to analyze".

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.