The file extension GP4 is associated with multiple programs and applications and various file types. The most common association is Guitar Pro, but the extension can also be created with GTX Group IV or CCITT. GP4 files contain data and information related to the program that created the file.
If the GP4 file extension is created with Guitar Pro, the files are a document and audio file type that contains guitar tablatures, notations, staff and time signature objects, audio playbacks, and other elements you typically use with a musical notation program. Guitar Pro is a music editing and composing program for stringed instruments; it provides a way to create tablatures for classical guitar and electric bass.
GP4 files that are related to GTX Group IV CALS are a 3d graphics file type that contains three dimensional images, objects, lines, mathematical calculations, and other elements used in Computer Aided Design (CAD). CALS is Computer Aided Design software that is used to create designs in the engineering and manufacturing industry.
If the GP4 files are associated with CCITT, they are a graphics file type that contains images used with fax documents. The file uses ISDN network protocol for data communication. CCITT stands for Comité Consultatif International Téléphonique et Télégraphique, which is currently known as ITU and responsible for defining standards for international communications.
How to Open GP4 Files
In order to open GP4 files, it is necessary to have the program or application that is associated with the file. One exception to this is when the GP4 files are related to Guitar Pro and in this case, the files can be opened with a small variety of programs.
On a Windows-based PC, you can open GP4 files using Arobas Music Guitar Pro 6, which is available in a free trial version on the Guitar Pro website. There is also a paid full version and an upgrade you can buy inexpensively when you need it.
If you are looking for a multiplatform application that will support Guitar Pro GP4 files, you can use TuxGuitar, which is available as a free download on the TuxGuitar website. You can also opt to use DGuitar, which is an open source guitar tablature program available on the SourceForge website. Both programs are compatible with Windows, Mac OS X, and the Linux operating system.
If the GP4 files are created with the CALS program, you can open them using AutoCAD, which is Computer Aided Design software that is compatible with Windows. AutoCAD is available for download on the AutoDesk website.
GP4 files created through CCITT can be opened using GIMP, which is an open source graphics and image editing program available as a free download on the GIMP.org website. GIMP is compatible with Windows, Mac OS X, and the Linux operating system.