Opening an LWY File

The LWY file type is primarily associated with Lightwright.

LWY	File extension: LWY
	File type:	Library File

What is an LWY file?

LWY files mostly belong to Lightwright by John McKernon Software. Lightwright is a cross between a spreadsheet and a database, designed specifically to manage professional lighting design paperwork. The LWY file contains snippets of worksheet rows and other often-needed data.

How to open LWY files

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

Online LWY Text Viewer

Choose your .lwy file to analyze

or drag and drop it here

Online File Viewer

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What to Do When a .LWY File Fails to Open

Because .LWY files can originate from different programs, they aren't universally openable.

Identify the Source: If received from a theatrical lighting designer or a stage production workflow, it is likely a Lightwright Library File.
Check the Header: Inspect the first bytes in a text or hex editor:
- Readable text/XML suggests structured data.
- "PK" indicates a zipped archive.
- Unreadable binary points to a proprietary database format.
Use the Original Software: The original program is usually required. Try Lightwright by John McKernon Software, or ask the sender if you are uncertain.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text, and preview when possible.

Technical Data for LWY File Extension

File classification:

Database

Related files:

lwp, lwl, lwx

an lwy Library File is a special file format by John McKernon Software and should only be edited and saved with the appropriate software.

How to solve problems with LWY files

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