>> GP4 file

GP4 file format description

Many people share .gp4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .gp4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .gp4 files.

2 filename extension(s) found in our database.

.cal - CALS Compressed Bitmap

The CAL graphic files are related to FMJ Soft Image Eye. CAL file is a CALS Compressed Bitmap. The CALS bitmap format was developed in the mid-1980s to standardize on graphics data interchange for electronic publishing for the federal government.

FMJ Soft Image Eye
Graphic files
- / -
cals, gp4, mil
CALS Compressed Bitmap related extensions:
Autodesk AutoShade Output
GD Library 2 Image
Better Portable Graphics Image
Aleph One Image
QPS QINSy Graphics Data
Photo Pos Pro Image

.gtp - Guitar Pro Tabulature

The GTP document files are related to Guitar Pro. GTP file is a Guitar Pro Tabulature.

Guitar Pro
Document files
- / -
gp3, gp4, gp5
Guitar Pro Tabulature related extensions:
Guitar Pro 7 Tabulature
GravoStyle Design Document
Grasshopper 3D XML Document
Grasshopper 3D Document
GraphPad Prism Template
ArchiCAD BIMx Document

Naturally, other applications may also use the .gp4 file extension. Even harmful programs can create .gp4 files. Be especially cautious with .gp4 files coming from an unknown source!

Can't open a .gp4 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .gp4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

tp4, bp4, vp4, p4, gpt, gpe, fp4, np4, gpr, gp

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

RollerCoaster Tycoon Track Picture
FileMaker Pro V4 Data
Tag Image File Format
Gerber Pad Master Top Data
Gofer Project
Gerber Inner Routing Layer 1 Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .gp4 file format, then write to us!

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