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SLY file extension

The table below provides useful information about the .sly file extension. It answers questions such as:

  • What is the .sly file?
  • What program do I need to open a .sly file?
  • How can the .sly file be opened, edited or printed?
  • How can I convert .sly files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ GNU Lilypond Document

LY file is a GNU Lilypond Document. LilyPond is a free (GPL), actively developed "automated engraving system" for the production of beautifully formatted musical scores.
Category: Document files
Application: GNU Lilypond
Mime-type: text/plain
Magic number: -
Magic string: -
Sample: -
LY aliases:
fly, sly
LY related links:
LY related extensions:

Other types of files may also use the .sly file extension.

🚫 The .sly file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cly, ely, ly, qly, s1y, sky, sl, slg, slh, slj, slt, slu, soy, spy, sy

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Act! Design Layout File
Google Closure Template
Baldurs Gate II Game Data
HP-UX Shared Library
Symbolic Link Spreadsheet
Elyse Database
WinTECH Socket Spy Log
Unknown SLJ File
RenderMan Shader Source
GNU Lilypond Document

🔴 Can't open a .sly file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .sly file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .sly file extension, write to us!

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