LY File

What are LY files and how to open them

Are you having problems opening a LY file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your LY files.

What is a LY file?

LY files have multiple uses, and LilyPond Music Score is one of them. Read more about the other uses further down the page.

LilyPond Music Score

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open LY files

Important: Different programs may use files with the LY file extension for different purposes, so unless you are sure which format your LY file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single LY opener which you will find listed below.

Last updated: March 10, 2023

All known file formats using extension .LY

While LilyPond Music Score is a popular type of LY-file, we know of 2 different uses of the .LY file extension. Different software may use files with the same extension for different types of data.

Softdesk AdCADD Layer Default

We know that one LY format is Softdesk AdCADD Layer Default. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of LY files. Remember, different programs may use LY files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about LY file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.