File extension .GP3
Full Name | Developer | Category |
---|---|---|
Guitar Pro 3 Project Format | Arobas Music | Data Files |
A GP3 file, known as a .GP3 file, stores project data saved with Guitar Pro 3, a guitar tablature editor for Microsoft Windows and Apple macOS created by Arobas Music. It can store multiple tracks of music which include tablature and score notation as well as chord diagrams. GP3 files typically save tablature for six-string instruments like the guitar but can also be used to compose music for tracks of up to 16 strings. GP3 files also support additional elements such as tempo, time signatures, and visual effects.
File Formatting
GP3 files are formatted in a proprietary format made specifically for Guitar Pro 3. It is similar to other file formats that are used to save music compositions such as Power Tab ( PTB) and MIDI ( .MID) files. These types of files enhance the user experience by providing storage for songs that can be edited and viewed prior to playback or printing. GP3 files can be shared with other users who have Guitar Pro 3 installed so that they can edit, playback, or print the composed song.
Similar File Extensions
Similar file extensions include .GP4, .GP5, .GPI, and .PTB. All these files are created by guitar tablature editor programs and are used to store music compositions. However, in order to read these other files, you will need their respective programs like Guitar Pro 4, Guitar Pro 5, or Power Tab Editor.
Programs for WINDOWS system
After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .GP3) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .GP3 extension.
When choosing the software we can select the system to use this software every time.
Remember!
Using it for the first time it is good to check whether the .GP3 file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .GP3 extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .GP3 extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .GP3 file. Sometimes you have to repeat the operation several times.
Other instructions
If none of the programs listed by us to work with the .GP3 file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.
In the vast majority of cases you will find the program dedicated to support the .GP3 file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .GP3 file) will be extended to the maximum.
It is also good to check
- if the .GP3 file has no errors
- or if it has been copied (or downloaded by the browser) thoroughly
Author’s guidelines

Mr B. Adam
Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.
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