.SIB File Extension

A .SIB file is a Sibelius Score, created by Avid.

Open with Avid Sibelius. Available for Windows and Mac.

What is a .SIB file?

A .SIB file is a type of file used to store musical scores and is created by a software program called Avid Sibelius, which is widely used for writing and arranging music. The content inside a .SIB file includes all the necessary information to display a complete musical score, such as the notes, symbols, text annotations, and other details related to the music piece. This file format uses binary data, which means it stores information in a format that only computers and specific programs can read directly.

When you open a .SIB file in the Avid Sibelius program, it will show up as sheet music, allowing musicians and composers to view, edit, or play the music written in the score. This is particularly useful for music professionals and enthusiasts who are involved in creating or teaching music.

To open a .SIB file, you will need to have the Avid Sibelius software installed on your computer. Avid Sibelius is available for both Windows and macOS operating systems. Additionally, there is a version of Avid Sibelius available for iOS devices, which means you can also open and work with .SIB files on an iPhone or iPad. This makes it convenient for users to work on their music scores while on the go.


Our goal is to help people find the most up-to-date information about file extensions for Windows, Mac, Linux, Android and iOS. We researched over 10,000 file extensions and their respective programs that open those files. If you want to suggest edits or updates about .SIB file formats, example files, or programs that are compatible. Please contact us.

More extensions