GP3 File - opening and understanding
Did your computer fail to open a GP3 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .GP3 files.
What is a GP3 file?
Files that contain the .gp3 file extension are usually used by the Guitar Pro 3 software application. Guitar Pro 3 allows for the editing of guitar and bass tablature files and the creation of scores for stringed instruments, such as the bass and the guitar.
The music files that are created and saved by the Guitar Pro 3 software are saved with the .gp3 file extension. While the files contain scores that are used to create music, the files do not contain any actual audio data in and of themselves.
The Harmony Assistant, Posix, KGuitar, Guitar Pro OS X, Guitar Pro and Guitar Pro Linux are all applications that can import GP3 files for use with the applications.
How to open GP3 files
You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension GP3 for different purposes.
While we have not verified the apps ourselves yet, our users have suggested 10 different GP3 openers which you will find listed below.
Suggest another file format using extension GP3
While we know of one file format using the .GP3 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .GP3 file.
Various viewers for this file format
These apps are known to open certain types of GP3 files. Remember, different programs may use GP3 files for different purposes, so you may need to try out a few of them to be able to open your specific file.
 | Guitar Pro | User submitted |
 | TuxGuitar | User submitted |
 | Altium Designer | User submitted |
 | Go PlayAlong | User submitted |
 | Altium Designer Summer | User submitted |
 | Altium Designer Summer Viewer | User submitted |
 | GRAPES3D | User submitted |
 | Altium Designer Winter | User submitted |
| Guitar Pro Lite | User submitted |
 | Guitar Pro Fretlight Ready | User submitted |
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.