Details of extension .gp4

2 extension(s) and 2 alias(es) in our database

Below, you can find answers to the following questions:

• What is the .gp4 file?
• Which program can create the .gp4 file?
• Where can you find a description of the .gp4 format?
• What can convert .gp4 files to a different format?
• Which MIME-type is associated with the .gp4 extension?

.gp4

CCITT Group 4 Encoded Fax

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.

Detailed description not available

Category: Data files

Application: LibTIFF

Program name: -

Mime-type: application/octet-stream

Magic bytes (HEX): -

Magic string (ASCII): -

Aliases:

g4

Links:

-

Related extensions:

.ccitt

CCITT Group 3 and Group 4 Encoded Fax

.gp4

GTXRaster CAD Group IV CALS Picture

The GP4 file is a GTXRaster CAD Group IV CALS Picture. GTXRaster CAD is a raster editing and clean up software for AutoCAD users.

Detailed description not available

Category: Graphic files

Application: GTXRaster CAD

Program name: -

Mime-type: application/octet-stream

Magic bytes (HEX): -

Magic string (ASCII): -

Aliases:

-

Links:

-

Related extensions:

.rnl

GTXRaster CAD Runlength Encoded Bitmap

.cal

CALS Compressed Bitmap

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.

Description link

Category: Graphic files

Application: FMJ Soft Image Eye

Program name: -

Mime-type: image/x-cals

Magic bytes (HEX): -

Magic string (ASCII): -

Aliases:

cals, gp4, mil

Links:

XnView

Related extensions:

.art

Art Image

.att

AT&T Group 4 Bitmap Image

.bmp

Windows Bitmap Image

.cdr

CorelDraw Drawing

.cgm

Computer Graphics Metafile

.gtp

Guitar Pro Tabulature

The GTP file is a Guitar Pro Tabulature.

Description link

Category: Document files

Application: Guitar Pro

Program name: -

Mime-type: application/octet-stream

Magic bytes (HEX): -

Magic string (ASCII): -

Aliases:

gp3, gp4, gp5

Links:

Guitar Pro Tabulatures

Related extensions:

.mus

Finale Music File

.crd

Guitar Chord File

.chopro

Chord Pro Chord

.cg

Guitar Chord Groover Chord

.sib

Sibelius Music Notation

Other types of files may also use the .gp4 file extension. If you have helpful information about .gp4 extension, write to us!

Can't open a .gp4 file?

If you want to open a .gp4 file on your computer, you just need to have the appropriate program installed. If the .gp4 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

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 from a list of programs that are installed on your computer.

To change file associations:

• Right-click a file with the extension whose association you want to change, and then click Open With.
• In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
• Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android