Opening an LRR File

The LRR file type is primarily associated with Mercury LoadRunner.

LRR	File extension: LRR
	File type:	Test Results File

What is an LRR file?

LRR files mostly belong to Mercury LoadRunner by Mercury Interactive Corporation. Opening this file gives access to an Access database with results of a specific performance/load/stress-test.

How do you open LRR files?

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

Online LRR Text Viewer

Choose your .lrr file to analyze

or drag and drop it here

Online File Viewer

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Trouble Opening a .LRR File? These Steps Will Help

Because .LRR files originate from specialized programs, they aren't universally openable.

Identify the Source: If received from a QA engineer or a performance testing workflow, it is likely a Mercury LoadRunner Test Results File (a database format).
Check the Header: Inspect the first few bytes in a text or hex editor:
- Readable text or XML suggests a structured log or configuration file.
- "PK" indicates a zipped archive.
- Binary data often points to a proprietary database format.
Use the Original Software: The original program is usually required; try Micro Focus LoadRunner, Mercury Interactive tools, or ask the sender if you are uncertain.
Use this Webpage: Drag and drop your file here to detect its format, extract readable metadata, and preview contents.

Technical Data for LRR File Extension

File classification:

Database

Related files:

case, pgr, rth

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: lrrfile
EXEFile: %ProgramFiles%\Mercury Interactive\Mercury LoadRunner\bin\analysisui.exe -RESULTPATH %1

ProgramID: lrrfile
EXEFile: %ProgramFiles%\Mercury Interactive\LoadRunner\bin\lrdata.exe

an lrr Test Results File is a special file format by Mercury Interactive Corporation and should only be edited and saved with the appropriate software.

How to solve problems with LRR files

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