File Extension GP4

.GP4 File

File extension: GP4
File type: CCITT Group 4 File

Notes about the GP4 file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The GP4 file type is primarily associated with 'CCITT Group 4 File'. (fax)

Detailed information for file extension GP4:

Primary association: CCITT Group 4 File

Other applications associated with file type GP4:

  • GTX Group IV Format /CALS PictureCALS = Computer Aided Acquisition and Logistics Support. Images can be opened using AutoCAD by inserting the image into a CAD drawing. The image may then be saved or printed as a .DWG file. Scaling the image correctly may be an issue. The Mime types used with this association are: application/gp4, application/x-gp4, image/gp4, image/x-gp4.
  • Guitar Pro (Ver. 4 Tablature) by Arobas MusicGuitar Pro is a multitrack tablature editor for guitar, banjo and bass. Besides writing scores, Guitar Pro is also a tool to allow users to track progress, compose, or simply accompany themselves. The identifying characters used for this association are - Hex: 18 46 49 43 48 49 45 52 20 47 55 49 54 41 52 20 50 52 4F 20 76 34 2E , ASCII: .FICHIER.GUITAR.PRO.v4
File Identifier - TrID
'Identifying characters' used on are
provided by Marco Pontello from his TrID database

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension GP4 click this link to expand/hide the additional area.

System Info for File Extension .GP4

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: CAMtasticPowerPlaneLayer4GerberData
EXEFile: %ProgramFiles%\Altium\Dxp.exe %1

ProgramID: View Station Document
EXEFile: C:\View\Station\Image.exe %1

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

ProgramID: GuitarPro.Tablature
EXEFile: %ProgramFiles%\GUITAR~1\GP4.exe %1

ProgramID: Guitar Pro 4 Tablature
EXEFile: %ProgramFiles%\Guitar Pro 5\GP5.exe

ProgramID: CAMtasticPowerPlaneLayer4GerberData
EXEFile: %ProgramFiles%\Dxp.exe

ProgramID: Harmony_Assistant_File
EXEFile: %ProgramFiles%\Harmony Assistant\harmony.exe

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