Opening an LR File

The LR file type is primarily associated with Chaos Desktop.

LR	File extension: LR
	File type:	Layer List

What is an LR file

LR files mostly belong to Chaos Desktop by Chaos systems AB. Chaos desktop is two products in one; one is a document manager that collects data, works with automatized data routines, creates data from templates, and creates metadata. The second is the user interface for the project server Chaos server.

How to open an LR file

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

Online LR Text Viewer

Choose your .lr file to analyze

or drag and drop it here

Online File Viewer

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.LR File Won't Open? Here is What You Can Do

Because .LR files can originate from various programs, they are not universally openable.

Identify the Source: If received from an engineering workflow, it is likely a Layer List for Chaos Desktop. If from a photographer, it may be an Adobe Lightroom file.
Check the Header: Open the file in a text or hex editor to inspect the first few bytes:
- Readable text or XML suggests a configuration file.
- "PK" indicates a zipped archive.
- Unreadable binary means it requires specialized software.
Use the Original Software: The original program is usually required; try Chaos Desktop by Chaos systems AB, Adobe Lightroom, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file here to detect its format, extract readable text or metadata, and preview contents when possible.

Technical Data for LR File Extension

Related files:

jpg, lrcat, lrtemplate, mp4, lrv, xr, trl, pxy

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: MSWorks4Sheet
EXEFile: %ProgramFiles%\Microsoft Works\WksSS.exe %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\Zone Labs\ZoneAlarm\zlclient.exe -warning %1

an lr Layer List is a special file format by Chaos systems AB and should only be edited and saved with the appropriate software.

How to solve problems with LR files

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