Opening a GCA File

The GCA file type is primarily associated with G Compression Archiver.

GCA	File extension: GCA
	File type:	archived data file

What is a GCA file

GCA files mostly belong to G Compression Archiver by Shinichi Tsuruta. GCA files are compressed archives created using GCA software.

Main Usage: GCA is used to compress a file, folder, or multiple files and/or folders, to create a GCA file. This is done to compress the files into a single archive to reduce disk space required by the original files without losing any information stored in the original files. GCA files are similar to other compressed archive files, such as ZIP, 7Z, and files. Though other formats are more widely used, GCA files offer excellent compression ratios, superior to that of ZIP compressed archives.
Support: GCA and GCA files are only supported on Windows. The GCA file format has very limited support and thus is not widely used. The file that replaced it, DGC, is improved in many ways, but still has very limited support and documentation. A major factor behind the lack of support on operating systems other than Windows is due to the fact that the format is not open-source.

How to open GCA files

You need a suitable software like G Compression Archiver to open a GCA 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 GCA file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GCA file directly in the browser:. Just drag the file onto this browser window and drop it.

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Programs that open and convert GCA files:

G Compression Archiver by Shinichi Tsuruta
See the previous paragraphs to learn more about the main application. GCA files are often referred to as G Compression Archiver compresseds because this type of file is primarily created or used by this software.
GOCA (computer generated graphics file) by IBM
GCA is an extension associated with a GOCA graphics file. GOCA is short for Graphics Object Content Architecture, and this architecture represents graphics generated by a computer. GOCA is part of a definition of data objects related to AFP of IBM. This file format is classified as Raster Image. Related links: AFP info
IZArc archiver (archived data file) by IZArc
IZArc is a file archiving utility developed for Windows by Ivan Zahariev. IZArc is a closed source freeware program. It can open archived files with GCA extension as well as files created by many common file archivers. This archiver has an anti-virus scan feature and is able to carry out CD image conversions. This file format is classified as Compressed. Related links: IZArc Wikipedia page

GCA file extension format:

To view or edit GCA files you need to know the file format, because it determines how the data in this file is stored. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. When there is a problem with a file, the first step to solving it is to determine the file format. Our evaluation of the GCA files is as follows:

GCA is not a common file extension and covers different formats for different programs. The two most common formats are as follows:

40% of all GCA files use ZIP compression, i.e. a GCA file contains several compressed files. A GCA file includes 1 to 28 files. If you want to see the included files and images, simply rename the file extension to .zip and double-click it. The files are 2 KB to 11 MB in size, with a median of 39 KB. An example of a file name is avtn_cfg.gca or gtx3x5_diagnostic_report.gca. Files like these are about cnfg, diagnostic, report, logs, avtn, config and base.
25% of all GCA files are G Compression Archiver files. These files are binary files, so they do not contain text, but only cryptic characters. Most of these files are 210 KB to 350 MB in size. The keywords GCAX are typical for these files. The following filename is common: xfile.gca.

All the rest of the GCA files (35%) have different formats. These files sometimes refer to subcortex or atlas. Drag & drop your file here to see the file format and a preview of your GCA file!

Technical Data for GCA File Extension

File classification:

Compressed

Related files:

cga, dat, rar, exe, dgc, dz, pwb

Related links:

GCA Wikipedia page

Mime type:

application/x-gca-compressed

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: ZipZag.gca
EXEFile: %ProgramFiles%\ZipZag\zipzag.exe %1

ProgramID: IZArc
EXEFile: %ProgramFiles%\IZARC\IZARC.EXE %1

ProgramID: IZArcGCA
EXEFile: %ProgramFiles%\IZArc\IZArc.exe

Show all 4 listings To Top

a gca archived data file is a special file format by Shinichi Tsuruta and should only be edited and saved with the appropriate software.

How to solve problems with GCA files

Associate the GCA file extension with the correct application.
Update your software that should actually open archived data files. Because only the current version supports the latest GCA file format. Search, therefore, e.g. on the Shinichi Tsuruta manufacturer website after an available G Compression Archiver update.
To make sure that your GCA file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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