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.
4 filename extension(s) found in our database.
.gp4 - CCITT Group 4 Encoded Fax
The GP4 data files are related to LibTIFF. The GP4 file is a CCITT Group 4 Encoded Fax. CCITT Group 4 compression is a lossless method of image compression used in Group 4 fax machines.
- Application:
- LibTIFF
- Category:
- Data files
- Mime-type:
- application/octet-stream
- Magic:
- - / -
- Aliases:
- g4
- CCITT Group 4 Encoded Fax related extensions:
-
- .ccitt
- CCITT Group 3 and Group 4 Encoded Fax
.gp4 - GTXRaster CAD Group IV CALS Picture
The GP4 graphic files are related to GTXRaster CAD. The GP4 file is a GTXRaster CAD Group IV CALS Picture. GTXRaster CAD is a raster editing and clean up software for AutoCAD users.
- Application:
- GTXRaster CAD
- Category:
- Graphic files
- Mime-type:
- application/octet-stream
- Magic:
- - / -
- Aliases:
- -
- GTXRaster CAD Group IV CALS Picture related extensions:
.cal - CALS Compressed Bitmap
The CAL graphic files are related to FMJ Soft Image Eye. The 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.
- Application:
- FMJ Soft Image Eye
- Category:
- Graphic files
- Mime-type:
- image/x-cals
- Magic:
- - / -
- Aliases:
- cals, gp4, mil
- CALS Compressed Bitmap related extensions:
.gtp - Guitar Pro Tabulature
The GTP document files are related to Guitar Pro. The GTP file is a Guitar Pro Tabulature.
- Application:
- Guitar Pro
- Category:
- Document files
- Mime-type:
- application/octet-stream
- Magic:
- - / -
- Aliases:
- gp3, gp4, gp5
- Guitar Pro Tabulature related extensions:
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:
example.gp4
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.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
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:
bp4, fp4, g4, gp, gpe, gpr, gpt, hp4, np4, p4, rp4, tp4, vp4
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- .gpt
- Ghost Installer v4 Project Template
- .g4
- CCITT Group 4 Encoded Fax
- .gpr
- GenePix Results File
- .tp4
- RollerCoaster Tycoon Track Picture
- .g4
- GTXRaster CAD Data
- .gpt
- MOPAC Graph Data
Operating systems
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android
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