.GP3 File Extension
File TypeGuitar Pro 3 File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is a GP3 file?
Musical score format used by Guitar Pro 3, a music composition program for guitar and other plucked string instruments; contains tablatures for guitar, bass, or banjo; used for creating scores that can be played back using MIDI data or printed to a hard copy.