Opening an LMS File

The LMS file type is primarily associated with ShowTime Sequencing Suite.

LMSFile Extension LMS
File extension: LMS
File type:  Light-O-Rama musical sequence file

What is an LMS file?

LMS files mostly belong to ShowTime Sequencing Suite by Light-O-Rama. The LMS file extension is primarily used with the Light-O-Rama ShowTime, a user-programmable lighting system design software. The associated LMS file is Light-O-Rama Musical Sequence file.

  • Main Usage: As the name suggests, Light-O-Rama musical sequence files store musical sequences created by the user. When a musical sequence is created by the user in the program, it gets stored in a file with the LMS file extension. These sequencer files the user can create, open and save sequences. The musical sequences are displayed as a grid in the pixel editor where rows represent props and columns represent the timings.
  • More Information: In the newer versions, these sequence files are stored with LOREDIT file extension.
  • Associations:
    • LenMus Score file: LenMus Phonascus, a free software application that helps in learning music, also uses LMS file extension. These files store the scores generated for a particular skill or exercise which can be related either with musical theory or aural training.

How to open an LMS file

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

Online LMS Text Viewer

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Programs that open and convert LMS files:

  1. ShowTime Sequencing Suite by Light-O-Rama
    See the previous paragraphs to learn more about the main application. LMS files are often referred to as ShowTime Sequencing Suite audios because this type of file is primarily created or used by this software.
  2. LenMus Phonascus (LenMus score file) by Cecilio Salmerón
    LenMus Phonascus is an open-source software for studying music theory. An LMS file stores a music score created using LenMus Phonascus. This file format is classified as Data. Related links: LenMus Phonascus Repository, Introduction of LenMus Phonascus, LMS File Format, LenMus Phonascus Video Tutorial (Spanish)

Technical Data for LMS File Extension


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: FreePrint.Document, FileType: PrintStudio, AppName: Print Studio
EXEFile: PrintStudio.exe

ProgramID: FreePrint.Document
EXEFile: %ProgramFiles%\Sony\PictureGear

ProgramID: FreePrint.Document
EXEFile: %ProgramFiles%\Sony\PictureGear Studio\PrintStudio\PrintStudio.exe %1


an lms Light-O-Rama musical sequence file is a special file format by Light-O-Rama and should only be edited and saved with the appropriate software.

How to solve problems with LMS files

  • Associate the LMS file extension with the correct application.
  • Update your software that should actually open light-o-rama musical sequence files. Because only the current version supports the latest LMS file format. Search, therefore, e.g. on the Light-O-Rama manufacturer website after an available ShowTime Sequencing Suite update.
  • To make sure that your LMS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .LMS file online - secure, fast, and no downloads needed.
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