All about LWT Files

The LWT file type is primarily associated with Lightwright.

LWT	File extension: LWT
	File type:	Attribute List File

What is an LWT file?

LWT 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.

How to open LWT files

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

Online LWT Text Viewer

Choose your .lwt file to analyze

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Online File Viewer

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What to Do When a .LWT File Fails to Open

Because .LWT files come from various programs, they aren't universally openable.

Identify the Source: A file from a theatrical lighting designer suggests a Lightwright Attribute List File, while language students might use Learning with Texts.
Check the Header: Inspect the first bytes in a text or hex editor:
- Plain text or XML implies a readable configuration.
- Unreadable binary data indicates a proprietary database.
Use the Original Software: The original program is usually required; try Lightwright by John McKernon Software, Learning with Texts, or ask the sender.
Use this Webpage: Drag and drop your .LWT file into our viewer to detect its format, extract readable text or metadata, and preview its contents.

Technical Data for LWT File Extension

File classification:

Database

Related files:

l-wt, lmd, lwp, lwl, lwx

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: DYMO Label Template
EXEFile: %ProgramFiles%\DYMOLA~1\Dymolbl.exe

an lwt Attribute List 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 LWT files

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