What is .IGR file extension?
Musical notation file created by Igor Engraver, a program used for making musical charts; saves musicians, instruments, and the musical score itself; used for saving compositions; can be played back in the software.
IGR files can be used by both the Windows and Mac versions of Igor Engraver. However, when saving files on Mac, the file may not have an extension. Therefore, to use the file in Windows, add the ".igr" extension.
NOTE: The Mac version of Igor Engraver is only available for Mac OS Classic.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.