Opening a GCF File

The GCF file type is primarily associated with GCFScape, Riello UPS Tools.

GCF	File extension: GCF
	File type:	data archive

What is a GCF file?

GCF files mostly belong to GCFScape, Riello UPS Tools. A GCF file can be one of two types of data files without being a generic document. It is often a Game Cache File used to bundle game resources for digital libraries like Steam. This type of file stores game installation and support files in a consolidated archive that is usually opened with dedicated tools such as GCFScape.
Alternatively, a GCF file may be a configuration file for UPS hardware. In this case, it acts as a Riello UPS configuration file used to record settings and parameters for uninterruptible power supply systems. These files are managed with tools like Riello UPS Tools, and more information can be found on the Riello UPS website.
Key details compiled by FilExt.com:

It contains archived data that is not meant for casual editing.

Game cache files compile assets needed for game installation and operations.

UPS configuration files store specific system settings for power management.

Opening the file requires the dedicated software corresponding to its use.

How to open GCF files

You need a suitable software like GCFScape, Riello UPS Tools to open a GCF file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your GCF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GCF file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GCF Text Viewer

Choose your .gcf file to analyze

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Programs that open and convert GCF files:

GCFScape, Riello UPS Tools
See the previous paragraphs to learn more about the main application. GCF files are often referred to as GCFScape, Riello UPS Tools games because this type of file is primarily created or used by this software.
Global Virtual Accademy
[Korean site]
Graphing Calculator by Pacific Tech
Graphing Calculator is a tool for quickly visualizing math. The identifying characters used for this association are - Hex: 47 72 61 70 68 69 6E 67 43 61 6C 63 75 6C 61 74 6F 72 20, ASCII: GraphingCalculator.
Greeting Card Creator (Project) by ArcSoft
A greeting card creation program. The listing for the program is in the clearance area of the ArcSoft website and so may not be sold much longer. The identifying characters used for this association are - Hex: D0 CF 11 E0 A1 B1 1A E1 00, ASCII: ÐÏ à¡± á .
Half-Life (Game Cache File) by Sierra Entertainment, Inc.
Read and export these files with Nem's GCFScape. Related links: Support Knowledgebase
Scream! (Guralp Compressed Format) by Güralp Systems Ltd.
Scream! is a Windows 9x/NT/2000/XP application for Seismometer Configuration, REal time Acquisition and Monitoring. This file type consists of seismic data records in time series format.
Valve (Game Cache File) by Valve Corporation
Originally an acronym for Grid Cache File (Grid was an early codename for Steam), GCF is now commonly taken to mean Game Cache File. GCF's are the name of the single files in which Steam games are stored and official content is downloaded. This file format is classified as Game. Related links: Valve Developers GCF Wiki, GCFScape - A GCF Unzipper
WinXComp
WinXComp was made by OptionSoft who seem to have gone out of business. Also known as OptionSoft WindowsXCompressor archive. The identifying characters used for this association are - Hex: 4A 47 43 46 00 00 00 20 01, ASCII: JGCF. This file format is classified as Archive. Related links: The File OSU50.ZIP

GCF format details:

The file format determines how the data is stored in the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. Knowledge is power - this also applies when dealing with unknown or faulty files. Below is our analysis of the GCF files:

As a file extension, GCF isn't very common and covers a large number of different file formats. The two most common formats are as follows:

20% of all GCF files start with the bytes 01 00 00 crucial for this file format. They consist of unreadable binary data. Most of these files are 560 bytes to 480 MB in size. This is an old file type which is rarely used today. The following filename is common: counter-strike.gcf. Such files are related to half, life, content, counter, strike, episode, materials, source and sound.
10% of all GCF files have the same signature Date: . These files are plain text, which means they can be viewed with any text editor such as Windows Editor, Nano for Linux, and TextEdit for macOS. The average file size is 4 KB with most files being between 4 KB and 4.1 KB in size. Certain words are almost always found in the files, such as Date, Firmware version, Battery benches: 2, UPS type: 4, Batteries number for be, I/O configuration: 4, Model and Serial number.

The remaining 70% of all GCF files are different files with different signatures, frequently e.g. Graphing Calculator, ArcSoft Greeting Card Creator project and SNC. You can get all the details of your GCF file by dragging it onto this page or by clicking the button "Choose your .gcf file to analyze" above.

Technical Data for GCF File Extension

File classification:

Game

Related files:

vpk, bsa, arc, gfc, ghd, bgdb, b64, alz, pak, cfg, ini, dat

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: gcfFile, FileType: Greeting Card Creator File, AppName: ArcSoft Greeting Card Creator
EXEFile: greeting card.exe

ProgramID: gcfFile
EXEFile: %ProgramFiles%\ArcSoft\Software Suite\Greeting Card Creator\Greeting Card.exe %1

ProgramID: gcffile
EXEFile: %ProgramFiles%\Graphing Calculator Viewer\Graphing Calculator Viewer.EXE %1

ProgramID: gcfFile
EXEFile: %ProgramFiles%\ArcSoft\Software Suite\Greeting Card

ProgramID: GCFFile
EXEFile: %ProgramFiles%\GCFScape\GCFScape.exe %1

ProgramID: gcfFile
EXEFile: %ProgramFiles%\ArcSoft\Greeting Card Creator\Greeting Card.exe

ProgramID: gcfFile
EXEFile: %ProgramFiles%\PhotoStudio Expressions\Greeting Card Creator\Greeting Card.exe

Show all 7 listings To Top

a gcf data archive is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with GCF files

Associate the GCF file extension with the correct application.
Update your software that should actually open data archives. Because only the current version supports the latest GCF file format. Search, therefore, e.g. on the manufacturer website after an available GCFScape, Riello UPS Tools update.
To make sure that your GCF file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .GCF file online - secure, fast, and no downloads needed.